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Flowmaster

Flowmaster American Thunder Crossmember-Back Exhaust System

1967-1968 Camaro and Firebird with V8 engine. 2.50 inch Stainless Steel

Part # 817129 Be the first to write a review
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Delta Flow
For the person who is looking for a true dual crossmember-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.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • True Dual 2.50-inch Crossmember-Back Exhaust System
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Moderately Aggressive Exterior Exhaust Tone
  • Super 44 Series Performance Mufflers
  • Tailpipes Exit in the Stock Location
  • Includes All Necessary Hardware
  • Built-in H-pipe Cross-over

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

2WD/4WD2WD
Brand Flowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Side Exit
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part Number842546
Muffler Quantity2
Muffler SeriesSuper 44 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCrossmember-back
Tubing Diameter (in)2.5
UPC700042024292
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817129
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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.
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