OBX Exhaust Fit 71 72 73 74 75 76 77 78 79 AMC 290 304 343 360 390 401 for Sale

Price: $572

This item has been shown 319 times.

OBX Header Manifold Fit 71 72 73 74 75 76 77 78 79 AMC 290 304 343 360 401Cu In

OBX Racing Sports™ offer a wide ranges of quality aftermarket automotive products for import and domestic vehicles. OBX Racing Sports™ sets and maintain the industry's high expectations by using applicable highest grade materials and latest machinery along with advanced cutting edge manufacturing technologies.


  • OBX Racing Sports™ Header and Pipes (4 Pieces)


  • 1971-1979 AMC 290, 304, 343, 360, 401 8-Cylinder (Fit Inside the Frame Rail)
  • 1979-1980 AMX, Spirit
  • 1972-1975 Gremlin
  • 1972-1976 Hornet
  • 1968-1974 AMX, Javelin
  • 1974-1976 Matador


  • Mid Tube Design
  • Application for Dog-Leg Ports and Small Body
  • Mirror Polished Finish
  • Made of 304-Grade Stainless Steel
  • Primary Tube: 1.6" OD
  • Collector Outlet: 3.00" OD
  • Adaptor Pipe: 2.25" OD
  • Flange Thickness: 0.42"
  • Runner Wall Thickness: 16 Gauge (1.5mm)
  • Note:
    • Require to Modify Stock Exhaust to Retain Catalytic Converter
    • No o2 Bung
    • No EGR Port
    • Fit Inside the Frame Rail


  • Made of quality materials for longevity and durability
  • Individual port design for continuous even exhaust flow
  • Computer Numerical Control (CNC) machined flange for precision fitment
  • Dual Tungsten Inert Gas (T.I.G.) welding for stronger hold
  • Made with 304-grade stainless steel for durability
  • Dual T.I.G. welded for stronger hold
  • CNC mandrel bent pipes for faster and smoother exhaust flow
  • Includes accessories show in the photo
  • NO installation instruction is included in the kit, we recommend professional installation
  • If you have any questions, please contact us through message center
  • Manufacturer's Limited Lifetime warranty against manufacturer defects (Must fill out and return warranty card with a copy of the receipt and within 30 days of purchase date to manufacturer)


                      Standard Rateshipping charges only apply to the lower 48 US States (Does not include: Hawaii, Alaska and any other US Possessions). For all other destinations (International or US Possessions) shipping and handling charges, please email for quote.

                      If item subtotal is $200.00 or more signature will be required to deliver package.

                      Depending on the weight or size of the item(s), international packages may be shipped in two or more packages.

                      Please note,we will only ship to verified and confirmed addresses if item is being paid via PayPal.Item(s) will only shipped after payment is received and cleared.

                      International buyermay require to pay custom duties or custom fees for their package. Buyer are responsible to inquiry the information from the buyer's country custom agency before purchasing. We are not responsible to collect custom duties or custom fee, we will only charge for the shipping and the product(s) cost only.

                      No Local Pickup

                      No Shipping Service On Weekends & Holidays

                      Thank you!

                      Return Policy:

                      Any product(s) that is/are cover by the warranty, must have the warranty registration card mail no later than 30 days of your purchase date. If a warranty card is not included in the package, please contact us as soon as possible for a copy of the warranty card. We will not repair or replace any product without the warranty already on file. Please also read the disclaimer on the bottom of the page.

                      To return a product to us simply send us an email with the detailed reason for the return and we will send you an RMA number along with our return shipping address.

                      NO returns of any type will be accepted without an RMA.

                      Original shipping charges are not refunded on returned items. Customers are responsible for all shipping charges back to Motorsportsales on returned items.The merchandise must be unused, in original packaging and must be in resalable condition. All returns and exchanges must be accompany by a copy of the sale invoice.

                      ALL orders are subject to 25% re-stocking fee once the item(s) is shipped and returned forANY REASON, including but not limited to: accept delivery ( or ) pick up from designated carrier, Cancelled order(s) and Incorrect address.


                      Some product(s) are for off-road or show car purposes only. Some of the products may not be suitable for regular driving conditions. Products sold does not carry DOT, SAE or CARB approval. Weare not responsible for any misuse of the products. Use at your own risk.

                      No refund, exchange or replacement for products relating to electrical, fuel and store clearance items.

                      Disclaimer :

                      All automotive manufacturers listed in this page such as name of vehicles; makes, models, engine codes, and chassis codes are the registered trademark of its respective original equipment manufacturer and are used for reference purposes only.

                      We distribute tuning parts for use in the equipment of various manufacturers. Our company and the parts contained herein are not sponsored, affiliated, associated nor otherwise connected in any way with any automobile original equipment manufacturers named in this web site/page.

                      Trademarks, service marks and trade names of OBX Racing Sports Parts™ use in the site are trademarks or registered trademarks of respective brand of OBX Racing Sports™

                      For off-road competition/racing use only. This product is not intended to be installed on vehicles registered for highway use. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY

                      Note for buyers from the following locations:Alaska (AK), Hawaii (HI), Puerto Rico (PR), Guam (GU), Northern Mariana Islands (MP), US Virgin Islands (VI)All United States Military Bases, AA, AE, AP.

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