This item has been shown 175 times.
Click HERE for more information about this part.
Header-back System - Dual Side Exit - American Thunder - Moderate/Aggressive
1964 to 1972 Chevrolet El Camino and GMC Sprint with a V8 engine.
For the person who is looking for a complete header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy bent 16 gauge aluminized tubingModerate to aggressive exterior exhaust toneIncludes hangers and hardware for easy installationConnects after factory catalytic converterMade in the USAPremium Flowmaster quality
Product Attributes: 2WD/4WD2WD exhaust seriesAmerican Thunder exit positionDual Side Exit heat shieldNone inlet diameter (inches)2.50 materialAluminized Steel muffler part number52558 muffler quantity2 muffler seriesSuper 50 Series outlet diameter (inches)2.50 single dualDual sound levelModerate/Aggressive Sound system typeHeader-back System tip diameter (inches)3.00 tip quantity2 tubing diameter (inches)2.50
HCR Products usesPayPalfor all its transactions. Immediate payment is required onmost "Buy It Now" type listings. Payments totaling $750 or more will be sentwitha signature required on delivery.
We ship only to the lower 48 U.S. States - this excludes AK, HI, PR. Aphysical (street) addresses is required for shipping,sorry -noP.O. boxes!
Powered by SixBit's eCommerce Solution