Diamond Eye 5" Aluminized Downpipe back 01-10 Duramax

$660.35 $445.00

Diamond Eye K5118A 5" Aluminized Downpipe back for 01-10 GM 6.6L Duramax - Tip not included


  • 5" Mandrel Bends
  • Straight Through Muffler
  • Aluminized Steel
  • OE Style Clamps and Hangers


  • Increased Flow
  • Increased MPG
  • Improved Horsepower
  • Improved Torque

Product Note: This product is intended for 01-07 Duramax Diesel's, however this kit will fit 07.5-10 GM LMM Duramax pickups. The hanger locations on the LMM trucks are in the same locations as previous years trucks except one at the transmission (it's there to hold the weight go the DPF and Cat) and one just behind it which is mounted to the frame (also meant to carry the weight of the DPF) and is no longer needed with this exhaust. If you are deleting the Cat and DPF, you will need a "Race Tuner" to eliminate the possibility of Limp Home Mode and Check Engine Lights. See "Race Tuners" for more information on tuners that will allow use of this exhaust

Product Use Disclaimer: These components have been designed and are intended for closed course competition only! It becomes the sole responsibility of the Customer to ensure that the use of their vehicle and items purchased comply with federal, state, and local regulations. Performance products are legal in California only for sanctioned closed course racing vehicles, which may never be used on a public highway. Customer assumes all risks and expenses relating to unlawful vehicle operation on public roads. By purchasing this product, you have agreed not to hold Diamond Eye Performance, nor Alligator Diesel Performance, LLC liable for unlawful vehicle operation.