Flowmaster Header-back System - Dual Side Exit-AmeriCan Thunder® - Aggressive Sound

Header-back System - Dual Side Exit - American Thunder® - Aggressive Sound

Fits 1967 to 1968 GM F-Body with a V8 engine.

Convertible models require an aftermarket X-brace or 3/8 shims for clearance

For the person looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, Flowmaster's America Thunder system for GM F-Body cars include specially-selected Super 44 mufflers to make your Camaro or Firebird come alive. This Header-back dual exhaust system uses 2.50 in. 409S stainless steel tubing, backed by our 10-year warranty! And a durable H-pipe design that delivers improved throttle response, power and mileage. 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 installation.

Features:

Mandrel bent 16 gauge 409 stainless tubing

Moderate to aggressive exterior exhaust tone

Includes hangers and hardware for easy installation

Header back system

Vehicle Applications:

1967-1968 Pontiac Firebird

1967-1968 Chevrolet Camaro

Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV?s, classic muscle cars, powersports vehicles and more. Flowmaster gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive ?laminar-flow? mufflers and a new line of FlowFX straight-through performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

This system Does Not fit convertibles without either modifying the factory X-brace by adding 3/8-inch spacers to lower the brace from the body.

True Dual 2.50-inch Crossmember-Back Exhaust System

Mandrel-bent 16-gauge Stainless Steel Tubing

Aggressive to Moderate Exterior Exhaust Tone

Super 44 Series Performance Mufflers

Tailpipes Exit in the Stock Location

Includes All Necessary Hardware

Built-in H-pipe Cross-over

Product Description:

Exhaust System

American Thunder

Header-Back

2-1/2 in Tailpipe

Stainless

Natural

GM F-Body 1967-68

Kit

Manufacturer of performance exhaust systems, mufflers, performance air intakes, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 4 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.