Walker® 39454 Exhaust System Kit
Manufacturer #39454
Walker® 39454 Exhaust System Kit
Manufacturer #39454
$408.84
$605.25
Save $196.41 (32%)
(2) In Stock
Get it between Wed, Aug 20 - Fri, Aug 22, 2025
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Only secure payments| SKU | WK39454 |
|---|---|
| Brand | Walker® |
| Part Name | Exhaust System Kit |
| Part | # 39454 |
| Quantity Per Vehicle | 1 |
| Pack of | 1 |
| Condition | New |
-
Chevrolet
-
Gmc
- Ultra Flo Exhaust System Kit
- Dynomax Ultra Flo 39454 Exhaust System Kit for Chevrolet Silverado 1500
- Give your Chevrolet Silverado/GMC Sierra 1500’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 2007-2008 Chevrolet Silverado and GMC Sierra 1500; 143.5-in. wheelbase; see product information for compatibility and engine specs
- COMPLETE SOLUTION -- Includes DynoMax Ultra Flo welded muffler, pipes 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 1,800 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™
| 10981 | Mandrel |
|---|---|
| 59059 | No |
| Catalytic Converter Quantity | 0 |
| 62199 | 2 |
| 10900 | Band |
| Clamps Included | Yes |
| Exhaust Tip Quantity | 1 |
| 83568 | Angle |
| Grade Type | Performance |
| Hangers Included | Yes |
| Inlet Quantity | 1 |
| 64208 | Flanged intermediate pipe, muffler, tail pipe, clamps |
| Mounting Hardware Included | Yes |
| Muffler Body Length (IN) | 24 |
| 59866 | 1 |
| Muffler Finish | Bare |
| Muffler Material | Stainless steel |
| Muffler Quantity | 1 |
| 3512040 | Ultra flo welded |
| Outlet Quantity | 1 |
| Oxygen Sensor Bung Included | No |
| Pipe Diameter (IN) | 3 |
| 3512041 | Natural |
| Pipe Material | Stainless steel |
| 3244853 | Single |
| 74976 | Cat back |
| System Type | Single |
| System Type | Cat back |
| 61126 | Angle |
| 61127 | Rolled |
| 59845 | Polished |
| Tip Material | Stainless steel |
| 83583 | 4 |
| Tip Shape | Round |
2007-2008 Chevrolet Silverado 1500 (Liter: 5.3, 4.8 & Engine(cc): 5328 & Engine(ci): 325, 294 & Cylinder: 8 & Block: V & Bore(in): 3.78 & Bore(mm): 96.0 & Stroke(in): 3.62, 3.27 & Stroke(mm): 92.0, 83.0 & Wheel Base: 143.5 / Qualifier: with Single Exhaust); 2007-2008 GMC Sierra 1500 (Liter: 5.3, 4.8 & Engine(cc): 5328 & Engine(ci): 325, 294 & Cylinder: 8 & Block: V & Bore(in): 3.78 & Bore(mm): 96.0 & Stroke(in): 3.62, 3.27 & Stroke(mm): 92.0, 83.0 & Wheel Base: 143.5 / Qualifier: with Single Exhaust)
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
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