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Flowmaster American Thunder Header-back Exhaust System

1967-1968 Chevrolet Camaro and Pontiac Firebird with V8 engine. (See applications below)

PART# 817129

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$679.95   Suggested Retail
$550.76   Holleydays Price
Estimated shipping date: 12/30/2019
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Fits 1967-1968 Chevrolet Camaro and Pontiac Firebird with V8 engine. Does not fit convertibles, see notes in description.

Overview

For the person who is looking for a true dual headers-back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series mufflers and includes all hangers and hardware necessary for installation. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. If you prefer Aluminized steel construction, check out optional system# 17129. Notes: 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, or by replacing the brace with an aftermarket Hotchkis Performance X-brace part# 1404.

Features:

  • Includes hangers and hardware for easy installation
  • Mandrel bent 16 gauge stainless steel tubing
  • Moderate to Aggressive Sound Exterior Exhaust Tone
  • Header-back System

Specs

2WD/4WD2WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code3
Exhaust SeriesAmerican Thunder
Exit PositionDual Side Exit
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialStainless Steel
Muffler Part Number842546
Muffler Quantity2
Muffler SeriesSuper 44 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate/Aggressive Sound
System TypeHeader-back
Tubing Diameter (in)2.5
Part Number817129

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Fits 1967-1968 Chevrolet Camaro and Pontiac Firebird with V8 engine. Does not fit convertibles, see notes in description.

Applications

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      Some parts are not legal for use in California or other states with similar regulations.

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