31530FLT Flowtech Set of 2 Headers for Chevy Suburban Blazer Chevrolet C10 Pair for Sale


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Price: $463.95

Martin's Auto Parts PRODUCT INFORMATION 31530FLT Flowtech Set of 2 Headers for Chevy Suburban Blazer Chevrolet C10 Pair Description / Notes:
Terms of Use


Flowtech Headers --

FLOWTECH – LONG TUBE PERFORMANCE HEADERS

You can expect more power, torque and fuel efficiency after you bolt on a pair of Flowtech long tube performance headers. Designed and made to fit precisely, they feature leak-tested O-ring port seals and Mandrel-formed Power Plenums for low back pressure. You can improve the power and sound on your street machine with Flowtech’s wide range of performance exhaust products.

  • Includes mounting hardware and high-quality gaskets
  • Engineered and built to fit precisely for easy installation
  • Leak-tested O-ring port seals
  • Mandrel-formed, low back pressure Power Plenum
  • Add power and increase fuel efficiency at the same time

Design: 4-1
Emissions: 46-State Legal (Cannot ship to CA, CO, NY or ME)
Material: Made of Steel
Series: Long Tube Series
Collector Attachment Style: Flanged
Collector Diameter: 3 in. Collector
Head Flange Thickness: 5/16 in. Thick Head Flange
Port Shape: Round Port
Anticipated Ship Out Time: 15-16 business days
Quantity Sold: Kit
Primary Tube Diameter: 1 3/4 in. Primary Tube
Includes: With Gaskets and Bolts/Studs
Color/Finish: Ceramic Coated
Header Style: Long Tube
Prop 65 Warning: WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Primary Tube Gauge: 16 Gauge


Compatible with the following vehicles:Chevrolet
  • 73 Blazer Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 79-80 C10 Big Ten RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 78 C10 Big Ten RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75, 79-80 C10 (submodel: Cheyenne, Custom Deluxe, Scottsdale, Silverado) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76-77 C10 Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76-78 C10 (submodel: Cheyenne, Custom Deluxe, Scottsdale) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 71-72 C10 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 68-69, 73-74 C10 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 70 C10 Pickup Base Automatic Transmission, Non-Emissions Controlled Vehicles, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75, 77 C10 Suburban (submodel: Custom Deluxe, Scottsdale, Silverado) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 73 C10 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 74 C10 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76, 78-80 C10 Suburban (submodel: Custom Deluxe, Scottsdale) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76, 79-80 C10 Suburban Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 75-76, 80 C20 (submodel: Cheyenne, Custom Deluxe) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 85-86 C20 Custom RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 81-84 C20 Custom RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 81 C20 Deluxe RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 77-79, 85-86 C20 Scottsdale RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77-79 C20 (submodel: Cheyenne, Custom Deluxe) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 75-76, 80, 82, 84 C20 Scottsdale RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 77, 79, 85-86 C20 Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 75-76, 80, 82-84 C20 Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 68, 71, 74 C20 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 69-70, 72-73 C20 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 74 C20 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 73 C20 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 82-83 C20 Suburban Custom RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 81, 84 C20 Suburban Custom RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75-76, 80 C20 Suburban Custom Deluxe RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77-79 C20 Suburban Custom Deluxe RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 81 C20 Suburban Deluxe RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75-76, 80, 82 C20 Suburban Scottsdale RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 85 C20 Suburban (submodel: Custom, Scottsdale, Silverado) RWD, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77-79, 84 C20 Suburban Scottsdale RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 86 C20 Suburban (submodel: Custom, Scottsdale, Silverado) RWD, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75-76, 80, 82-83 C20 Suburban Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77, 79, 84 C20 Suburban Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75, 80 C30 (submodel: Cheyenne, Custom Deluxe, Scottsdale, Silverado) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76-79 C30 (submodel: Cheyenne, Custom Deluxe) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 81 C30 (submodel: Custom, Deluxe) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 82-86 C30 Custom RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76-79, 82, 84-86 C30 Scottsdale RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76-77, 79, 82-86 C30 Silverado RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 71-73 C30 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 68-70, 74 C30 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76 K10 (submodel: Cheyenne, Custom Deluxe, Scottsdale, Silverado) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 80 K10 (submodel: Cheyenne, Custom Deluxe, Scottsdale, Silverado) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 68-69, 74 K10 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76-78 K20 (submodel: Cheyenne, Custom Deluxe, Scottsdale) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76-77 K20 Silverado 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 73 K20 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 68-69, 74 K20 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 73 K20 Suburban Base Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77, 80 K30 (submodel: Cheyenne, Custom Deluxe, Scottsdale, Silverado) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 81 K30 (submodel: Custom, Deluxe) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 68-69, 71 K30 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 70, 73-74 K30 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76 K5 Blazer Base 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 K5 Blazer Base RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 78 K5 Blazer Cheyenne 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76-77 K5 Blazer Cheyenne 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 78 K5 Blazer Cheyenne RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76-77 K5 Blazer Cheyenne RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 78 K5 Blazer Custom Deluxe 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 77 K5 Blazer Custom Deluxe 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 78 K5 Blazer Custom Deluxe RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 77 K5 Blazer Custom Deluxe RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 87 R20 (submodel: Custom Deluxe, Scottsdale, Silverado) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 87-88 R20 Suburban (submodel: Scottsdale, Silverado) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 87 R20 Suburban Custom Deluxe RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 89-91 R2500 Suburban (submodel: Scottsdale, Silverado) RWD, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 87 R30 (submodel: Custom Deluxe, Scottsdale, Silverado) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
GMC
  • 75-76 C15 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 77-78 C15 (submodel: Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77 C15 Indy Hauler RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 78 C15 Street Coupe RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 75-77 C15 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 78 C15 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 68-69, 71-72 C15/C1500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 70, 73-74 C15/C1500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 73-74 C15/C1500 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 79-80 C1500 (submodel: Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 79-80 C1500 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 75-76 C25 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 77-78 C25 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75 C25 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76-78 C25 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 68-69, 71, 73-74 C25/C2500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 72 C25/C2500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 70 C25/C2500 Pickup Base Automatic Transmission, Non-Emissions Controlled Vehicles, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 74 C25/C2500 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 79, 83-84 C2500 (submodel: High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 80-82, 85-86 C2500 (submodel: Base, High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 83-84 C2500 Base RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 80-82 C2500 Sierra Grande RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 79 C2500 Sierra Grande RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 79-80, 84 C2500 Suburban (submodel: Base, High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 81-83 C2500 Suburban (submodel: Base, High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 85 C2500 Suburban (submodel: Base, High Sierra, Sierra Classic) RWD, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 86 C2500 Suburban (submodel: Base, High Sierra, Sierra Classic) RWD, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 81-82 C2500 Suburban Sierra Grande RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 79-80 C2500 Suburban Sierra Grande RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 75-76, 78 C35 (submodel: Base, High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 77 C35 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76, 78 C35 Sierra Grande RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 68, 71, 74 C35/C3500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 69, 72-73 C35/C3500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 70 C35/C3500 Pickup Base Automatic Transmission, Non-Emissions Controlled Vehicles, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 79, 82 C3500 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 80-81, 83-86 C3500 (submodel: Base, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 81, 83-86 C3500 High Sierra RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 80-81 C3500 Sierra Grande RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 76 Jimmy Base 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 73 Jimmy Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76 Jimmy Base RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 Jimmy High Sierra 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 Jimmy High Sierra RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 Jimmy Sierra Classic 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 Jimmy Sierra Classic RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 Jimmy Sierra Grande 4WD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 Jimmy Sierra Grande RWD, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only, Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • 76 K15 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 69 K15/K1500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 68 K15/K1500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 74 K15/K1500 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 80 K1500 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76 K25 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 77-78 K25 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 76 K25 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 77 K25 Suburban (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 68-69 K25/K2500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 73-74 K25/K2500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 74 K25/K2500 Suburban Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 71, 74 K35/K3500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 68-70, 73 K35/K3500 Pickup Base Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 79-81 K3500 (submodel: Base, High Sierra, Sierra Classic, Sierra Grande) 4WD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 87 R2500 (submodel: Base, High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 89 R2500 Suburban Sierra Classic RWD, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 90 R2500 Suburban SLE RWD, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 87-88 R2500 Suburban (submodel: Base, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 89-91 R2500 Suburban Base RWD, Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 87 R2500 Suburban High Sierra RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Off-Road Use Only
  • 87 R3500 (submodel: Base, High Sierra, Sierra Classic) RWD, Automatic Modify Stock Exh. To Retain Cat. Converter, Non-Emissions Controlled Vehicles
  • 71 Sprint Base Eng. Vin: K, Automatic Transmission, Modify Stock Exh. To Retain Cat. Converter, Intended For Race Use Only


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