Flowmaster 67-68 GM F-BODY 2.5 in. American Thunder Crossmember-Back Exhaust System

This American Thunder system is specially designed for 1967-1968 Camaro and Firebirds and is perfect for the person looking for a complete Crossmember-Back dual exhaust system. With an easy-fit in mind, this exhaust system is manufactured as a true dual exhaust using 2.50-inch aluminized steel tubing throughout, includes a built-in H-pipe design and delivers improved throttle response, power with a deep muscle car sound. The mandrel-bent tubing flows into a pair of Super 44 mufflers with 2.50-inch tailpipes exiting in the factory location behind the rear wheels pointing down just below the quarter panel. The system delivers a moderate to aggressive interior and exterior tone that's suited for the enthusiast who wants their performance to be heard. Designed for an easy fit, these systems include all necessary parts, hardware, and instructions. If you prefer Stainless steel construction, check out optional system# 817129. Notes: Fits convertibles by spacing down the factory convertible body brace by approximately .375-inch, or you can replace the factory body brace with a Hotchkis Performance body brace part #1404. Fits 1967-1968 Camaro and Firebird with V8 engine. 2.50 inch Aluminized Steel - Aggressive to moderate sound Fits 1967-1968 Chevrolet Camaro and Pontiac Firebird with V8 engine. Does not fit convertibles without modifications or replacement to the factory X-brace. See notes in description.

• Includes Hangers and Hardware for an Easy Installation
• Mandrel-bent 16-gauge Aluminized Steel Tubing
• Moderate to Aggressive Exterior Exhaust Tone
• Complete Crossmember-Back Exhaust System
• Tailpipes Exit in the Factory Location
• Super 44 Series Performance Mufflers
• Includes H-pipe Assembly
• Flowmaster Quality

Upgrade your classic muscle car with the Flowmaster 17129 American Thunder crossmember-back exhaust system, designed for 1967-1968 Chevrolet Camaro and Pontiac Firebird models equipped with a V8 engine. This complete true-dual exhaust system uses 2.5-inch mandrel-bent aluminized steel tubing to support improved exhaust flow, throttle response, and performance while delivering the deep, aggressive sound associated with Flowmaster American Thunder systems.
The system includes a built-in H-pipe assembly, a pair of Super 44 Series performance mufflers, 2.5-inch tailpipes, installation hardware, and hangers for a straightforward installation. Tailpipes exit in the factory location behind the rear wheels and point downward just below the quarter panels, preserving the original-style appearance while providing a moderate-to-aggressive interior and exterior exhaust tone. The mandrel-bent tubing helps maintain consistent internal airflow through the system, and the aluminized steel construction provides dependable service for street-driven performance vehicles.
Flowmaster engineered the American Thunder system for an easy fit on compatible applications, with all required components and installation instructions included. Convertible models require modification because of the factory body brace: the brace must be spaced downward approximately 0.375 inch, or replaced with Hotchkis Performance body brace part 1404. This system is not a direct fit for convertibles without that modification or replacement. Flowmaster Part Number 17129 is an excellent choice for enthusiasts seeking a complete, performance-oriented exhaust system with a distinctive muscle car sound.

Features:

• Application: Fits 1967-1968 Chevrolet Camaro and Pontiac Firebird models with V8 engines

• Exhaust Type: Complete true-dual crossmember-back exhaust system

• Tubing: 2.5-inch mandrel-bent 16-gauge aluminized steel tubing

• Mufflers: Includes Super 44 Series performance mufflers

• H-Pipe: Built-in H-pipe assembly for balanced exhaust flow and sound

• Sound: Moderate-to-aggressive interior and exterior exhaust tone

• Tailpipes: Exit behind the rear wheels in the factory location

• Installation: Includes hangers, hardware, and installation instructions

• Convertible Fitment: Requires spacing or replacement of the factory body brace

• Brand Quality: Flowmaster American Thunder performance exhaust design

Fitment:
Chevrolet Camaro Base 1967
Chevrolet Camaro Base 1968
Chevrolet Camaro RS 1967
Chevrolet Camaro RS 1968
Chevrolet Camaro SS 1967
Chevrolet Camaro SS 1968
Chevrolet Camaro Z28 1967
Chevrolet Camaro Z28 1968
Pontiac Firebird 326 1967
Pontiac Firebird 350 1968
Pontiac Firebird 400 1967
Pontiac Firebird 400 1968
Pontiac Firebird Base 1967
Pontiac Firebird Base 1968
Pontiac Firebird HO 1967
Pontiac Firebird HO 1968