•
This is a 5" Downpipe back single exhaust system that compares to the 20151NM or SS20151NM system by FLO-PRO and similar systems by MBRP and Jamo for the 2011-2016 6.6L, 2500/3500 EC-CC/SB-LB-DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only. Comes with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. This kit not only sounds great, but will improve fuel mileage, throttle response, and torque in your 6.6L.
  

Features:

  • 5" Downpipe Back Race Exhaust
  • No Muffler
  • Easy Install
  • STAINLESS STEEL - NO CHEAP ALUMINIZED STEEL HERE!!
  • Single Side Exit

  • ENSURE THAT YOU CHOOSE THE CORRECT YEAR FOR YOUR TRUCK

Manufactured by ProPower Diesel in the USA.

IMPORTANT NOTE
In 2015.5, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the correct style flange before ordering.

ProPowerDiesel

2011-2016 Duramax 6.6 Stainless Steel 5" Full Exhaust

SKU sku-45527212294321
$601.99
This is a 5" Downpipe back single exhaust system that compares to the 20151NM or SS20151NM system by FLO-PRO and similar systems by MBRP and Jamo for the 2011-2016 6.6L, 2500/3500 EC-CC/SB-LB-DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only. Comes with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. This kit not only sounds great, but will improve fuel mileage, throttle response, and torque in your 6.6L.
  

Features:

  • 5" Downpipe Back Race Exhaust
  • No Muffler
  • Easy Install
  • STAINLESS STEEL - NO CHEAP ALUMINIZED STEEL HERE!!
  • Single Side Exit

  • ENSURE THAT YOU CHOOSE THE CORRECT YEAR FOR YOUR TRUCK

Manufactured by ProPower Diesel in the USA.

IMPORTANT NOTE
In 2015.5, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the correct style flange before ordering.
$601.99
Year:

This is a 5" Downpipe back single exhaust system that compares to the 20151NM or SS20151NM system by FLO-PRO and similar systems by MBRP and Jamo for the 2011-2016 6.6L, 2500/3500 EC-CC/SB-LB-DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only. Comes with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. This kit not only sounds great, but will improve fuel mileage, throttle response, and torque in your 6.6L.
  

Features:

  • 5" Downpipe Back Race Exhaust
  • No Muffler
  • Easy Install
  • STAINLESS STEEL - NO CHEAP ALUMINIZED STEEL HERE!!
  • Single Side Exit

  • ENSURE THAT YOU CHOOSE THE CORRECT YEAR FOR YOUR TRUCK

Manufactured by ProPower Diesel in the USA.

IMPORTANT NOTE
In 2015.5, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the correct style flange before ordering.

Frequently Bought Together

Total price$0.00