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Flowmaster American Thunder Cat-back Exhaust System

Fits 1999-2007* (*2007 Classic Only) Chevrolet Silverado, GMC Sierra 1500 with 4.8L or 5.3L engine. Extended Cab/Short Bed Only - Aggressive sound

Part # 817395 Be the first to write a review

Flowmaster American Thunder Cat-back Exhaust System

Not Available

Delta Flow
5

Emissions

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.

See Emissions Details
For the person who wants the aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. The 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. The exhaust system is constructed from 3.00-inch mandrel-bent stainless steel tubing flowing into a Super 40 Series performance muffler for a deep powerful sound, then is finished off with dual 2.50-inch tailpipes and a pair of 3.00-inch polished stainless steel tips. Includes all necessary hardware, instructions and is covered by our Lifetime Limited Warranty. For those who prefer full aluminized stainless steel construction covered by our 3-year Limited Warranty, check out part# 17395. Notes: Fits both 2/4 wheel drive models with extended cab/short bed configuration on a 143.5-inch wheelbase.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Dual 3.00-inch Polished 304 Stainless Steel Tips
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Moderately Aggressive Exterior Exhaust Tone
  • Connects After Factory Catalytic Converter
  • Super 40 Series Performance Muffler
  • Uses the Factory Hanger Locations
  • Quick and Easy Installation
  • Lifetime Limited Warranty

About Flowmaster

Shop the official site of Flowmaster for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

2WD/4WD2WD/4WD
Brand Flowmaster
Clearance CategoryExhaust
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Same Side Exit
Heat ShieldNo
Inlet Diameter (in)3
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 40 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive
System TypeCat-back
Tip Diameter (in)3
Tip Quantity2
Tubing Diameter (in)2.5
UPC700042024650
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817395
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.
Fits 1999-2007* (*2007 Classic Only) Chevrolet Silverado/GMC Sierra 1500 with 4.8L, 5.3L engine, fits 2/4 wheel drive models with extended cab/short bed configuration, 143.5-inch wheelbase.
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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