1964 to 1967 GM A-Body with a V8 engine. American Thunder Kit Exhaust System Kit Fits 1964 to 1967 GM A-Body with a V8 engine. Header Back, Exhaust, Kit, GM, A-Body, Chevelle, Performance Header-back 64-67 GM 3in Header-back System - Dual Side Exit - American Thunder - Aggressive Sound These pre-bent pipe kits are made with 16 gauge 409S stainless steel mandrel bent tubing and are designed to fit your vehicle perfectly with all the quality and performance that you would expect from a Flowmaster product.
