Flowmaster; American Thunder; 1967-74 Camaro/Firebird,1968-74 Nova; V8; 2.5" Crossmember-Back Dual Exhaust System

For the person who is looking for a complete Header-back dual exhaust system with a moderate tone, this system is mandrel bent for maximum performance, includes a specially selected muffler and is designed with easy fit in mind.

American Thunder® systems deliver a moderate 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.

• Mandrel bent 16 Gauge Tubing
• Aluminized Steel
• Moderate Sound Exterior Exhaust Tone
• Header-Back System
• Direct Out Rear Stock Exit Tailpipes

• 80 Series Crossflow Muffler
• Connector pipes
• H-pipe assembly
• RH Intermediate Pipe
• LH Intermediate Pipe
• RH Tailpipe
• LH Tailpipe
• Clamps and Hardware

Made in USA

Important: Not for use on pollution controlled vehicles. See Emission Notes below.

Note: Shipped oversize.

• 1967-74 Camaro V8
• 1967-74 Firebird V8
• 1968-74 Nova V8

Application Notes: 1967-69 Camaro / Firebird Convertibles must use part # H1404 Hotchkis X-brace support (sold separately) for exhaust clearance. Will not work using factory brace.

For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions control regulations were imposed. Check your state law before ordering.

For Racing or Off Road Use Only: This product is intended for vehicles that are exclusively designated as a racing or off-road vehicle only. This product is not legal for use on vehicles that are operated on public highways. Not for use on a street-driven vehicle.

• 1965 and Older, USA Manufactured, California Certified Vehicles
• 1967 and Older, USA Manufactured, Federally Certified Vehicles