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Flowmaster American Thunder Cat-back Exhaust System for Chevrolet and GMC

Part # 817328

  • 3.50-inch Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for an Easy Installation
  • Large 4.00-inch Polished 304 Stainless Steel Tip
  • Moderately Aggressive Exterior Exhaust Tone
  • Connects After Factory Catalytic Converter
  • Uses the Factory Hanger Locations
  • Quick and Easy Installation
  • Lifetime Limited Warranty

Description

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides. This American Thunder system for the 2001-2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD/3500HD with 6.0L or 8.1L engine with dual inlet muffler, delivers a moderate interior tone with a deep powerful exterior tone and is suited to the enthusiast who wants their performance to be heard. The system attaches to the back of the catalytic converter with a dual inlet 50 Series Big Block muffler for a deep powerful sound without being obnoxious. Includes a large custom formed aluminum heat shield with stainless clamps and easily attaches directly to the muffler body. The custom bent 3.50-inch 409 stainless steel tailpipe uses the factory hanger locations for an easy installation and exits out behind the right side rear wheel which is ideal for towing. The tailpipe is finished off with a large 4.00-inch polished 304 stainless steel tip embossed with the Flowmaster logo. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts, hardware and easy to follow instructions for a trouble free installation. Covered by Flowmaster's Lifetime Limited Warranty.

Specifications

CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
Clamping TypeFlat Band
Clamps IncludedYes
Drive2WD
Exhaust SeriesAmerican Thunder
Exhaust Tip ColorSilver
Exhaust Tip ConnectionWelded
Exhaust Tip CutAngled
Exhaust Tip Diameter4.00 in
Exhaust Tip EdgeRolled Edge Angle Cut
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Length10.00 in
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity1
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallSingle Wall
Exit StyleSingle Out Side
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter3.00 in
UPC / GTIN00700042024506
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
2001 - 2003ChevroletSilverado 2500 HDBase, LS, LT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2004ChevroletSilverado 2500 HDBase, LS, LT, WT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2005ChevroletSilverado 2500 HDBase, LS, LT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2006ChevroletSilverado 2500 HDLS, LT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2007ChevroletSilverado 2500 HD ClassicLS, LT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2001 - 2003ChevroletSilverado 3500Base, LS, LT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2004ChevroletSilverado 3500Base, LS, LT, WT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2005ChevroletSilverado 3500Base, LS, LT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2006ChevroletSilverado 3500LS, LT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2007ChevroletSilverado 3500 ClassicLS, LT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2001GMCSierra 2500 HDSL, SLE6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2002GMCSierra 2500 HDBase, SL, SLE6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2003 - 2004GMCSierra 2500 HDBase, SLE, SLT, WT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2005GMCSierra 2500 HDBase, SLE, SLT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2006GMCSierra 2500 HDSL, SLE, SLT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2007GMCSierra 2500 HD ClassicSL, SLE, SLT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2001GMCSierra 3500SL, SLE, SLT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2002GMCSierra 3500Base, SL, SLE, SLT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2003GMCSierra 3500Base, SLE, SLT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2004GMCSierra 3500Base, SLE, SLT, WT6.0L V8, 8.1L V8Extended Cab and Crew Cab onlyFactory Dual Inlet Muffler Only
2005GMCSierra 3500Base, SLE, SLT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2006GMCSierra 3500SL, SLE, SLT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY
2007GMCSierra 3500 ClassicSL, SLE, SLT, WT6.0L V8, 8.1L V8EXTENDED CAB AND CREW CAB ONLY. FACTORY DUAL INLET MUFFLER ONLY