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MBRP, Inc. 15-16 silverado/sierra 2500/3500 6.6l duramax 3in down pipeBy MBRP, Inc.
Part #: GM8428
Have questions? Call us at 866-205-5299
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.
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