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Flowmaster American Thunder Header-back Exhaust System

1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine.

PART# 17149

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$666.95   Suggested Retail
$539.96   Holleydays Price
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Fits 1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine.

Overview

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. 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:

  • Specially Designed Slimline 50 Series Mufflers for Max Clearance
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Moderate to Aggressive Sound Exterior Exhaust Note
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Header-back True Dual Exhaust System
  • Does Not Include Header Reducers

Specs

2WD/4WD2WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code3
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialAluminized Steel
Muffler Part Number932556
Muffler Quantity2
Muffler Series50 Series Delta Flow
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate/Aggressive Sound
System TypeHeader-back
Tip Diameter (in)2.5
Tip Quantity2
Tubing Diameter (in)2.5
Type of ExhaustHeader-Back
Part Number17149

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 1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine.

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

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