Walker® 39311 Exhaust System Kit

Product Description

Walker® 39311 Exhaust System Kit

Ultra Flo Exhaust System Kit

Dynomax Ultra Flo 39311 Exhaust System Kit for Chevrolet Silverado 1500

Give your Chevrolet Silverado/GMC Sierra 1500 or 2500’s exhaust system an upgrade with a DynoMax® Ultra Flo® welded 3-in. single cat-back exhaust system. Features a DynoMax Ultra Flo welded muffler that features Continuous Roving Fiberglass (CRF) to absorb unwanted interior resonance while maintaining a deep performance tone.

COMPATIBILITY -- Designed for 1999-2007 Chevrolet Silverado/GMC Sierra 1500 and 1999-2000 Silverado/Sierra 2500 under 8,600-lb. GVWR; 143.5-in. wheelbase; see product information for compatibility and engine specs

COMPLETE SOLUTION -- Includes DynoMax Ultra Flo welded muffler, pipes, gaskets and clamps

EASY TO INSTALL -- Direct-fit bolt-on pre-assembled solution with welded hangers, pipes and clamps for easy installation that doesn’t require specialized fabrication and/or welding

IMPROVED FLOW CAPACITY -- 3-in. Stainless-steel tubing with mandrel bends improves flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power

SUPERIOR PERFORMANCE -- Straight-through design ensures unrestricted exhaust flow and reduces back pressure; dyno proven to flow up to 2,200 SCFM

PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone

ENGINEERED TO LAST -- Muffler features stainless-steel construction with a micro-finish for lifelong protection and 100% welded design for maximum durability

NOTES -- Welded 4-in. outlet double wall, buffed and polished stainless-steel slant cut tip

BUY WITH CONFIDENCE -- Comes with DynoMax’s limited lifetime warranty and exclusive 90-Day Performance & Sound Guarantee™

PRODUCT ATTRIBUTE & INFO

Vehicle fitment summary

2007 Chevrolet Silverado 1500 Classic (Liter: 5.3, 4.8, 4.3 & Engine(cc): 5328 & Engine(ci): 325, 294, 262 & Cylinder: 8, 6 & Block: V & Bore(in): 3.78, 4.00 & Bore(mm): 96.0, 101.6 & Stroke(in): 3.62, 3.27, 3.48 & Stroke(mm): 92.0, 83.0, 88.4 & Wheel Base: 143.5 / Qualifier: Ultra Flo Welded System, Under 8600 (lb) GVW, with Single Exhaust); 1999-2006 Chevrolet Silverado 1500 (Liter: 5.3, 4.8, 4.3 & Engine(cc): 5328 & Engine(ci): 325, 294, 262 & Cylinder: 8, 6 & Block: V & Bore(in): 3.78, 4.00 & Bore(mm): 96.0, 101.6 & Stroke(in): 3.62, 3.27, 3.48 & Stroke(mm): 92.0, 83.0, 88.4 & Wheel Base: 143.5 / Qualifier: Ultra Flo Welded System, Under 8600 (lb) GVW, with Single Exhaust); 1999-2000 Chevrolet Silverado 2500 (Liter: 5.3 & Engine(cc): 5328 & Engine(ci): 325 & Cylinder: 8 & Block: V & Bore(in): 3.78 & Bore(mm): 96.0 & Stroke(in): 3.62 & Stroke(mm): 92.0 & Wheel Base: 143.5 / Qualifier: Ultra Flo Welded System, Under 8600 (lb) GVW, with Single Exhaust); 2007 GMC Sierra 1500 Classic (Liter: 5.3, 4.8, 4.3 & Engine(cc): 5328 & Engine(ci): 325, 294, 262 & Cylinder: 8, 6 & Block: V & Bore(in): 3.78, 4.00 & Bore(mm): 96.0, 101.6 & Stroke(in): 3.62, 3.27, 3.48 & Stroke(mm): 92.0, 83.0, 88.4 & Wheel Base: 143.5 / Qualifier: Ultra Flo Welded System, Under 8600 (lb) GVW, with Single Exhaust); 1999-2006 GMC Sierra 1500 (Liter: 5.3, 4.8, 4.3 & Engine(cc): 5328 & Engine(ci): 325, 294, 262 & Cylinder: 8, 6 & Block: V & Bore(in): 3.78, 4.00 & Bore(mm): 96.0, 101.6 & Stroke(in): 3.62, 3.27, 3.48 & Stroke(mm): 92.0, 83.0, 88.4 & Wheel Base: 143.5 / Qualifier: Ultra Flo Welded System, Under 8600 (lb) GVW, with Single Exhaust); 1999-2000 GMC Sierra 2500 (Liter: 5.3 & Engine(cc): 5328 & Engine(ci): 325 & Cylinder: 8 & Block: V & Bore(in): 3.78 & Bore(mm): 96.0 & Stroke(in): 3.62 & Stroke(mm): 92.0 & Wheel Base: 143.5 / Qualifier: Ultra Flo Welded System, Under 8600 (lb) GVW, with Single Exhaust)