• MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit.

MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit

MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit

SKU: MBRPGM8428
15 in stock
$304.99
$304.99
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.