• 3.5-inch downpipe exhaust part for GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023 by JackSpania Racing
  • JackSpania Racing 3.5-inch downpipe for GM GMC Sierra Chevrolet Silverado Duramax L5P exhaust parts, showing the metal pipe with mounting flange.
  • 3.5-inch downpipe exhaust part from JackSpania Racing for GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023
  • 3.5-inch downpipe exhaust part for GM GMC Sierra and Chevrolet Silverado Duramax L5P trucks, by JackSpania Racing.
  • 3.5-inch Downpipe exhaust part for GM GMC Sierra Chevrolet Silverado Duramax L5P, manufactured by JackSpania Racing
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3.5" Downpipe Down Pipe For GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023

3.5" Downpipe Down Pipe For GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023

$174.95 USD
$174.95 USD
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🚚 Shipping Information: Our shipping timeline starts after complete shipping processing. Our shipping processing takes 1-3 business days.

  • 3.5" Stainless Steel Piping
  • 20% better flow rate than the factory pipe
  • Heat wrap included to help keep engine bay temperatures down
  • Greater heat-retention
  • Will not affect emissions systems
  • Maximum flow for competition applications
  • 4-bolt flange, two studs installed
  • Completely eliminates the DOC
  • *Off-road use only. Custom tuning required*

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