Fitment and Product Information:

American Thunder Cat-back Exhaust System For 1999-2006 Chevy Silverado, GMC Sierra 1500 truck w/ 4.8L or 5.3L engine

Fits 1999-2006 Chevrolet Silverado and GMC Sierra 1500 truck with 4.8L or 5.3L engine, fits 2/4 wheel drive models with extended cab/short bed configuration on a 143.5 inch wheelbase

2WD/4WD2WD/4WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)

Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Same Side Exit
Heat ShieldNo
Inlet Diameter (in)3
MaterialAluminized 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
Part Number17395


Product Details

Brand: Flowmaster

Part #: 17395

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. 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.

Quick Specs

  • Mandrel bent 16 Gauge Tubing


  • Moderate to Aggressive Sound Exterior Exhaust Tone


  • Includes hangers and hardware for easy installation


  • Dyno tuned for maximum performance


  • The Wundercarparts 90 Day Warranty:
    Wundercarparts offers a 90 day warranty against manufacturer defects on all items we sell! Additionally, most new items come with a seperate manufacturer warranty. Please message us through eBay for further information on manufacturer warranty, or to start a warranty claim.

    Prop 65 Warning WARNING: This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov