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Flowmaster American Thunder Cat-back Exhaust System

2010-2013 Chevrolet Camaro SS with 6.2L engine. (See applications below)

Part # 817481 Be the first to write a review
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This Flowmaster American Thunder® cat-back exhaust system for the 2010-2013 Camaro SS coupes with the 6.2L engine, is perfect for the person looking for an aggressive exterior sound with a moderate interior exhaust tone and all of the performance benefits you expect from a Flowmaster® system. This bolt-on emissions-legal system features 3.00-inch stainless steel mandrel-bent tubing leading into our exclusive Scavenger Series® X-pipe assembly for maximum power and a deep unique tone. The system includes a pair of Super 44® Series performance mufflers and uses the factory hanger locations for a quick and easy installation. The stainless steel tailpipes are finished off with large 4.00-inch polished 304 stainless steel tips filling out the exhaust cutouts in the factory valance. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts, hardware, installation instructions and is covered by our Lifetime Limited Warranty. Notes: This system Does NOT fit models with the Factory NPP Performance Exhaust Option designated by quad tips.


  • Exclusive Scavenger Series X-pipe for Maximum Power
  • Large 4.00-inch Polished 304 Stainless Steel Tips
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes all Necessary Hangers and Hardware
  • Connects After Factory Catalytic Converter
  • Aggressive Sound Exterior Exhaust Tone
  • Super 44 Series Performance Mufflers
  • Uses the Factory Hanger Locations
  • Deep Powerful Unique Sound
  • Lifetime Limited Warranty

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.

Brand Flowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)3
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity2
Muffler Series40 Series Classic
Outlet Diameter (in)3
Product TypeExhaust System
Single DualDual
Sound LevelAggressive
System TypeCat-back
Tip Diameter (in)4
Tip Quantity2
Tubing Diameter (in)3
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817481

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.

Fits 2010-2013 Chevrolet Camaro SS with 6.2L engine. Will not fit with ground effects package, or dual mode exhaust option. Does not fit convertible models.

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