cp-e™ QKspl™ Ford Mustang EcoBoost Big Turbo Downpipe Rear Section

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This downpipe requires our big turbo kit.

Off-Road Product Terms & Conditions



Made specifically for use with our big turbo kit, our Mustang EcoBoost Big Turbo Downpipe rear section includes a laser cut turbo flange designed to fit flawlessly. We craft our downpipe from premium American made “bright annealed” 304 stainless steel. Additionally, we mandrel bend each pipe for a less turbulent exhaust flow. We have included three O2 bungs to accommodate the two stock O2 sensors, and to give the ability to easily add a wideband sensor. Our off-road downpipe includes a cp-e™ Smart O2 Simulator to help eliminate the unwanted check engine light.

Also helping to accommodate the stock mounting, this downpipe uses the stock downpipe support mount thanks to a laser cut stainless steel bracket on each downpipe. This braket mounts the downpipe securely and provides the extra support needed to make it last a lifetime. cp-e™ has taken the extra step to supply a custom laser cut gasket with the downpipe to mate to the stock turbo completely leak-free.

Mustang EcoBoost Big Turbo Downpipe Features

This downpipe requires our big turbo kit.

  • Laser cut turbo flange
  • Extra O2 bung for adding a wideband sensor
  • Laser cut stainless steel bracket
  • Industry-leading stainless steel flex joint
  • Full 3.00” mandrel bent 304 stainless steel
  • Titan finish to strength material, and give clean uniform finish
  • Included Smart O2 Simulator with Off-Road Downpipe
  • Made in the U.S.A.
  • LIFETIME Warranty

Finally, the Mustang EcoBoost Big Turbo Downpipe features the all-new finish from cp-e™. This satin finish not only gives a uniform clean finish throughout, but also strengthens the stainless steel and the welds for added reliability. Made in the U.S.A. and backed by a lifetime warranty, all your bases are covered.

All off road performance parts are intended for off road use only and not for street use.
Not California exhaust compliant | No implied CARB certification | Off-road use only

CALIFORNIA WARNING:Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Weight 20 lbs
Dimensions 45 x 12 x 12 in


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