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Flowmaster American Thunder Axle-back Exhaust System

2016-2022 Chevrolet Camaro LT, LS coupes and convertibles with 3.6L engine.

Part # 817743 Be the first to write a review
Estimated shipping date: 02/25/2022
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The Flowmaster® American Thunder® Axle-back exhaust system for the 2016-2022 Chevrolet Camaro LT and LS models (coupes and convertibles) with the 3.6L engine is perfect for the person looking for an aggressive exterior sound level and moderate interior sound level. This bolt-on emissions-legal system features a pair of specially tuned resonator/mufflers and pipes for maximum performance and a deep tone. The system uses all mandrel-bent stainless steel tubing and is finished off with a large pair of 4.00-inch polished stainless steel tips. Other features include our Lifetime Limited Warranty and system is designed for an easy fit using the factory hanger locations. The system includes all necessary parts, hardware and installation instructions for a quick an easy installation you can do at home. Note: This system does Not fit vehicles with the NPP Performance Exhaust Option.


  • Large 4.00-inch Polished 304 Stainless Steel Tips
  • Dyno Tuned For Maximum Performance
  • All Mandrel-bent Stainless Steel Tubing
  • Over 35+ Years of Flowmaster Quality
  • Uses the Factory Hanger Locations
  • Includes all Necessary Hardware
  • Quick and Easy Installation
  • 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
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler ColorBlack
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesN/A-Tuned Resonator
Muffler ShapeOval
Muffler TypeWelded Baffle
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeAxle-back
Tip CutAngle
Tip Diameter (in)4
Tip Edge StyleCut
Tip FinishPolished
Tip Length (in)5.25
Tip LogoEmbossed
Tip Material304 Stainless Steel
Tip Quantity2
Tip ShapeRound
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817743

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 2016-2022 Chevrolet Camaro LT, LS with 3.6L engine. Does NOT fit vehicles fitted with NPP performance exhaust option with Quad Tips.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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