{"product_id":"flowmaster-american-thunder-cat-back-exhaust-system-for-chevrolet-silverado-gmc-sierra-1500-part-flo17395","title":"Flowmaster American Thunder Cat-Back Exhaust System for Chevrolet Silverado \u0026 GMC Sierra 1500 (Part #FLO17395)","description":"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 aluminized 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 3-year Limited Warranty. For those who prefer full stainless steel construction and a Lifetime Limited Warranty, check out part# 817395. Notes: Fits both 2\/4 wheel drive models with extended cab\/short bed configuration on a 143.5-inch wheelbase.\nFits 1999-2007* (*2007 Classic Only) Chevrolet Silverado, GMC Sierra 1500 trucks with 4.8L or 5.3L engine. Extended Cab\/Short Bed Only - Aggressive sound\nFits 1999-2007* (*2007 Classic Only) 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.\n\u003cul\u003e\n  \u003cli\u003eIncludes Hangers and Hardware for an Easy Installation\u003c\/li\u003e\n  \u003cli\u003eMandrel-bent 16-gauge Aluminized Steel Tubing\u003c\/li\u003e\n  \u003cli\u003eModerate to Aggressive Exterior Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eDual 3.00-inch Polished Stainless Steel Tips\u003c\/li\u003e\n  \u003cli\u003eSuper 40 Series Performance Muffler\u003c\/li\u003e\n  \u003cli\u003eDyno Tuned for Maximum Performance\u003c\/li\u003e\n  \u003cli\u003eUses the Factory Hanger Locations\u003c\/li\u003e\n  \u003cli\u003eQuick and Easy Installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your 1999-2007 Chevrolet Silverado and GMC Sierra 1500 trucks with the Flowmaster American Thunder Cat-Back Exhaust System, part number FLO17395. Designed specifically for extended cab and short bed models with a 143.5-inch wheelbase and 4.8L or 5.3L engines, this system delivers an aggressive and commanding exhaust note that enhances your vehicle's presence and performance. Constructed from durable 3.00-inch mandrel-bent aluminized steel tubing, it ensures smooth airflow and longevity. The system features a Super 40 Series performance muffler that produces a deep, powerful sound, complementing the aggressive aesthetic of your truck. The dual 2.50-inch polished stainless steel tips add a polished finishing touch while increasing exhaust exit style and sound projection. This kit includes all necessary hardware and detailed instructions for a quick and straightforward installation, utilizing factory hanger locations for a secure fit.Flowmaster’s American Thunder systems are dyno-tuned to maximize performance gains while delivering a moderate to aggressive exterior exhaust tone, perfect for enthusiasts who want their trucks to sound as powerful as they perform. The dual-out same side (D.O.S.S.) design not only provides a distinctive look but also enhances exhaust flow, contributing to improved horsepower and torque. This system is engineered to meet the needs of those seeking a robust exhaust note without sacrificing quality or durability. It is covered by a 3-year limited warranty, ensuring peace of mind with your upgrade. For those preferring full stainless steel construction and a lifetime warranty, Flowmaster offers a comparable option, part #817395.Whether you're looking for a significant sound upgrade or performance enhancement, this exhaust system combines style, sound, and reliable construction to meet the demands of serious truck enthusiasts. It is an ideal choice for drivers wanting to make a bold statement on the road while enjoying the benefits of improved exhaust flow and engine performance.Note: This exhaust system is not CARB approved and is intended for off-road or show use only. It is compatible with both 2WD and 4WD models with a 143.5-inch wheelbase, making it versatile for your specific truck configuration.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIncludes hangers and hardware for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMandrel-bent 16-gauge aluminized steel tubing for durability and smooth airflow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProduces a moderate to aggressive exterior exhaust tone\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDual 3.00-inch polished stainless steel tips for enhanced style and sound\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuper 40 Series performance muffler for a deep, powerful sound\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDyno-tuned for maximum performance gains\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUtilizes factory hanger locations for a secure fit\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eQuick and easy installation process\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1999 Chevrolet Silverado 1500 Base\u003cbr\u003e\n1999 Chevrolet Silverado 1500 LS\u003cbr\u003e\n1999 Chevrolet Silverado 1500 LT\u003cbr\u003e\n1999 GMC Sierra 1500 SL\u003cbr\u003e\n1999 GMC Sierra 1500 SLE\u003cbr\u003e\n1999 GMC Sierra 1500 SLT\u003cbr\u003e\n2000 Chevrolet Silverado 1500 Base\u003cbr\u003e\n2000 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2000 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2000 GMC Sierra 1500 SL\u003cbr\u003e\n2000 GMC Sierra 1500 SLE\u003cbr\u003e\n2000 GMC Sierra 1500 SLT\u003cbr\u003e\n2001 Chevrolet Silverado 1500 Base\u003cbr\u003e\n2001 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2001 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2001 GMC Sierra 1500 SL\u003cbr\u003e\n2001 GMC Sierra 1500 SLE\u003cbr\u003e\n2001 GMC Sierra 1500 SLT\u003cbr\u003e\n2002 Chevrolet Silverado 1500 Base\u003cbr\u003e\n2002 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2002 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2002 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2002 GMC Sierra 1500 Base\u003cbr\u003e\n2002 GMC Sierra 1500 HT\u003cbr\u003e\n2002 GMC Sierra 1500 SL\u003cbr\u003e\n2002 GMC Sierra 1500 SLE\u003cbr\u003e\n2002 GMC Sierra 1500 SLT\u003cbr\u003e\n2002 GMC Sierra 1500 WT\u003cbr\u003e\n2003 Chevrolet Silverado 1500 Base\u003cbr\u003e\n2003 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2003 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2003 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2003 GMC Sierra 1500 Base\u003cbr\u003e\n2003 GMC Sierra 1500 SL\u003cbr\u003e\n2003 GMC Sierra 1500 SLE\u003cbr\u003e\n2003 GMC Sierra 1500 SLT\u003cbr\u003e\n2003 GMC Sierra 1500 WT\u003cbr\u003e\n2004 Chevrolet Silverado 1500 Base\u003cbr\u003e\n2004 Chevrolet Silverado 1500 Hybrid\u003cbr\u003e\n2004 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2004 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2004 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2004 Chevrolet Silverado 1500 Z71\u003cbr\u003e\n2004 GMC Sierra 1500 Base\u003cbr\u003e\n2004 GMC Sierra 1500 SLE\u003cbr\u003e\n2004 GMC Sierra 1500 SLT\u003cbr\u003e\n2004 GMC Sierra 1500 WT\u003cbr\u003e\n2005 Chevrolet Silverado 1500 Base\u003cbr\u003e\n2005 Chevrolet Silverado 1500 Hybrid\u003cbr\u003e\n2005 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2005 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2005 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2005 Chevrolet Silverado 1500 Z71 Off-Road\u003cbr\u003e\n2005 GMC Sierra 1500 Base\u003cbr\u003e\n2005 GMC Sierra 1500 Hybrid\u003cbr\u003e\n2005 GMC Sierra 1500 SLE\u003cbr\u003e\n2005 GMC Sierra 1500 SLT\u003cbr\u003e\n2005 GMC Sierra 1500 WT\u003cbr\u003e\n2006 Chevrolet Silverado 1500 Hybrid\u003cbr\u003e\n2006 Chevrolet Silverado 1500 LS\u003cbr\u003e\n2006 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2006 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2006 GMC Sierra 1500 Hybrid\u003cbr\u003e\n2006 GMC Sierra 1500 SL\u003cbr\u003e\n2006 GMC Sierra 1500 SLE\u003cbr\u003e\n2006 GMC Sierra 1500 SLT\u003cbr\u003e\n2006 GMC Sierra 1500 WT\u003cbr\u003e\n2007 Chevrolet Silverado 1500 Classic Hybrid\u003cbr\u003e\n2007 Chevrolet Silverado 1500 Classic LS\u003cbr\u003e\n2007 Chevrolet Silverado 1500 Classic LT\u003cbr\u003e\n2007 Chevrolet Silverado 1500 Classic WT\u003cbr\u003e\n2007 GMC Sierra 1500 Classic Hybrid\u003cbr\u003e\n2007 GMC Sierra 1500 Classic SL\u003cbr\u003e\n2007 GMC Sierra 1500 Classic SLE\u003cbr\u003e\n2007 GMC Sierra 1500 Classic SLT\u003cbr\u003e\n2007 GMC Sierra 1500 Classic WT\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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