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Looking for a smooth transition between the Mishimoto EcoBoost Downpipe and the Mishimoto EcoBoost Cat-Back Exhaust?


This 3.0” adapter eliminates the restrictive 2.25” center section that is the result of joining some aftermarket downpipes and cat-backs.


The Mishimoto Mustang EcoBoost Exhaust Adapter is made a 304 Stainless Steel that will not rust in harsh climates and installs in under 30 minutes.


This adapter perfectly complements the V-band flange on the Mishimoto downpipe and the 3” band clamp on the Mishimoto cat-back exhaust. And like all Mishimoto Mustang EcoBoost parts, this Adapter comes with the Mishimoto Lifetime Warranty.




  • Allows a smooth transition between Mishimoto's 3" downpipe and Mishimoto's cat-back exhaust for the Ford Mustang Ecoboost
  • Eliminates the restrictive 2.25" center section that results from some aftermarket downpipe and catback exhaust applications
  • Installs in under 30 minutes
  • 304 stainless steel adapter will not rust in harsh climates
  • Installs easily to existing V-band clamp on the Mishimoto downpipe and 3" band clamp on the Mishimoto cat-back exhaust
  • Mishimoto Lifetime Warranty
    Workshop fitted
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