FLOWMASTER FLOWFX Cat-Back Exhaust (1999-2007 Silverado & Sierra 1500 4.8L & 5.3L V8)

Fits 1999-2007 (Classic Body) GM 1500 4.3L, 4.8L, 5.3L with 143.5 inch wheelbase, single exit

• Increases of 6.7 HP and 6.5 FT/LBS over the stock exhaust
• System produces a nice rumble with minimal internal resonance
• Large 4.50-inch black ceramic coated stainless steel tip offers an aggressive look
• Includes complete hardware and factory styled hangers in stock locations for an easy installation
• FlowFX "straight-through" performance muffler delivers a deep tone and improved exhaust flow
• Mandrel-bent 16-gauge 409 stainless steel tubing maximizes exhaust flow with excellent corrosion resistance
• Lifetime Limited Warranty

Fits 1999-2007* (*Classic body) GM Silverado/Sierra 1500 trucks with 4.3L, 4.8L and 5.3L engines, 2/4 wheel drive with 143.5-inch wheelbase.