Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.
Features:| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2011 - 2015 | Chevrolet | Express 2500 | Base | ||
| 2011 - 2015 | Chevrolet | Express 3500 | Base | ||
| 2011 - 2015 | Chevrolet | Express 3500 | LS | ||
| 2011 - 2015 | Chevrolet | Express 3500 | LT | ||
| 2011 - 2015 | Chevrolet | Silverado 2500 HD | LTZ | ||
| 2011 - 2015 | Chevrolet | Silverado 2500 HD | LT | ||
| 2011 - 2015 | Chevrolet | Silverado 2500 HD | WT | ||
| 2015 - 2015 | Chevrolet | Silverado 2500 HD | High Country | ||
| 2011 - 2015 | Chevrolet | Silverado 3500 HD | WT | ||
| 2011 - 2015 | Chevrolet | Silverado 3500 HD | LT | ||
| 2011 - 2015 | Chevrolet | Silverado 3500 HD | LTZ | ||
| 2015 - 2015 | Chevrolet | Silverado 3500 HD | High Country | ||
| 2011 - 2015 | GMC | Savana 2500 | Base | ||
| 2011 - 2015 | GMC | Savana 3500 | Base | ||
| 2011 - 2015 | GMC | Savana 3500 | LS | ||
| 2011 - 2015 | GMC | Savana 3500 | LT | ||
| 2011 - 2015 | GMC | Sierra 2500 HD | Denali | ||
| 2011 - 2015 | GMC | Sierra 2500 HD | SLE | ||
| 2011 - 2015 | GMC | Sierra 2500 HD | SLT | ||
| 2011 - 2014 | GMC | Sierra 2500 HD | WT | ||
| 2015 - 2015 | GMC | Sierra 2500 HD | Base | ||
| 2011 - 2014 | GMC | Sierra 3500 HD | WT | ||
| 2011 - 2015 | GMC | Sierra 3500 HD | SLT | ||
| 2011 - 2015 | GMC | Sierra 3500 HD | SLE | ||
| 2011 - 2015 | GMC | Sierra 3500 HD | Denali | ||
| 2015 - 2015 | GMC | Sierra 3500 HD | Base |
IN STOCK MBRP GMCA428MBRP Down Pipe BLK MBRP 15-16 Chevy/GMC 6.6L Duramax 3in Down Pipe (For 3 Bolt Flange Style Connection) $294.99
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$289.99
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IN STOCK - LOW Magnaflow 51049Magnaflow Universal Converter MagnaFlow Universal Catalytic Converter 3.00in C/C Spun Front OEM $260.00
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IN STOCK Borla 140762Borla Cat Back S-Type Borla 15-19 Chevy Silverado 2500 6.0L CC/STD Bed/153.7in WB S-Type Catback Exhaust $1,419.99
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IN STOCK Victor Reinz MS16124Victor Reinz Exhaust Manifold Sets MAHLE Original Buick Allure 09-08 Exhaust Manifold Set $42.65
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IN STOCK Victor Reinz GS33937Victor Reinz Exhaust Gaskets MAHLE Original 11-16 GM Truck 6.6L Duramax Diesel Turbocharger Mounting Set $73.19
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IN STOCK - LOW aFe 49-04041-PaFe Exhaust DPF Back aFe Atlas Exhaust 5in DPF-Back Al Steel 11-13 GM Diesel Trucks V8-6.6L (td) LML (Pol Tip) |
$211.00
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IN STOCK MBRP T5154BLKMBRP Univ Exhaust Tips BLK MBRP Universal Tip 6in OD 5in Inlet 15.5in Length 30 Deg Bend Angled Rolled End Black $169.99
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IN STOCK - LOW aFe 48-44001aFe Headers aFe Power Twisted Steel Headers 409 Stainless Steel 02-13 GM Silverado/Sierra 1500 V8 GMT800/GMT900 $1,099.00
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For more information on MBRP part number GMCA427, you can visit the official MBRP website.