MBRP 11-15 Chev/GMC 6.6L Duramax 3in Black Turbo Down Pipe - GMCA427
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SKU: MBRPGMCA427
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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. Installation Instructions Warranty Installation Instructions Technical Drawing User 9 Installation Instructions