Flowmaster American Thunder Dual Exhaust System - 1968-72 GM A-Body V8 430-01-05 The 4775 features a 1

The 4775 features a 1

High-silicon ductile ironBD Diesel Performance is unique among its peers in that it designs

Independent line lock output

and valvetrain components

Fits: Bell: Vortex

Flowmaster American Thunder Dual Exhaust System - 1968-72 GM A-Body V8 430-01-05 The 4775 features a 1Prebent pipe kits. Flowmaster's 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster. Features: Mandrel Bent 16 Gauge Aluminized Tubing 3 Year Limited Warranty Aggressive And Powerful Exterior Exhaust Tone Includes Hangers and Hardware For Easy Installation Header Back System Dual Out Rear Exit Dyno Tuned for Maximum Performance Vehicle Applications: