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| SKU | WCFWCF100703 |
| MPN | WCF100703 |
| GTIN | WCF100703 |
| Certifications | None |
| Material | Stainless Steel |
| Color/Finish | Stainless |
| Wheel Size (inches) | 3in |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2005-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2005-2010 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 2500 HD | LTZ |
| 2006-2010 | Chevrolet | Silverado 2500 HD | WT |
| 2004-2005 | GMC | Sierra 3500 | Base |
| 2006 | GMC | Sierra 3500 | SL |
| 2004-2006 | GMC | Sierra 3500 | SLE |
| 2004-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2006 | GMC | Sierra 2500 HD | SL |
| 2004-2010 | GMC | Sierra 2500 HD | SLE |
| 2004-2010 | GMC | Sierra 2500 HD | SLT |
| 2004-2010 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007-2010 | GMC | Sierra 3500 HD | SLE |
| 2007-2010 | GMC | Sierra 3500 HD | SLT |
| 2007-2010 | GMC | Sierra 3500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2004-2005 | Chevrolet | Silverado 3500 | Base |
| 2004-2006 | Chevrolet | Silverado 3500 | LS |
| 2004-2006 | Chevrolet | Silverado 3500 | LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2010 | Chevrolet | Silverado 3500 HD | WT |
Upgrade your Duramax 6.6L engine with the Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe. Crafted for maximum performance and durability, this down pipe enhances exhaust flow, boosting your engine's power and efficiency. Constructed from high-quality stainless steel, it offers excellent resistance to corrosion and heat, ensuring longevity even under demanding conditions.
Designed specifically for the 2004.5 to 2010 Chevrolet Duramax LLY, LBZ, and LMM models, this 3-inch down pipe is a perfect fit for enthusiasts seeking to improve their vehicle's exhaust system. With precision engineering by Wehrli, a trusted name in performance parts, you can expect reliable quality and improved sound without compromising emissions compliance.
Installation is straightforward, making it suitable for both professional workshops and serious DIY modifiers. Whether you're upgrading your hot rod, kit car, or muscle truck, this down pipe will deliver noticeable gains in throttle response and exhaust note. Bring your Duramax-powered build to the next level with Wehrli's premium 3-inch stainless down pipe, available now through Tuningsupply—your performance parts specialists.
Designed specifically for the 2004.5 to 2010 Chevrolet Duramax LLY, LBZ, and LMM models, this 3-inch down pipe is a perfect fit for enthusiasts seeking to improve their vehicle's exhaust system. With precision engineering by Wehrli, a trusted name in performance parts, you can expect reliable quality and improved sound without compromising emissions compliance.
Installation is straightforward, making it suitable for both professional workshops and serious DIY modifiers. Whether you're upgrading your hot rod, kit car, or muscle truck, this down pipe will deliver noticeable gains in throttle response and exhaust note. Bring your Duramax-powered build to the next level with Wehrli's premium 3-inch stainless down pipe, available now through Tuningsupply—your performance parts specialists.
Customer reviews
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















