Mishimoto Silicone Reducer Coupler 90 Degree 2.75in to 3in - Black Deflectors>Stone/Bug Deflectors Flow and Performance: This Large

Flow and Performance: This Large Bore-HD exhaust system is 100% hand MIG-welded and Constructed from 4" mandrel-bent 409 stainless steel tubing for maximum flow

by nearly eliminating the deflection seen in stock cradle bushings

the Injen RD performance intake provides power you can hear and feel

it just looks better

Add an additional +20 hp to your 2017-2019 Duramax

Mishimoto Silicone Reducer Coupler 90 Degree 2.75in to 3in - Black Deflectors>Stone/Bug Deflectors Flow and Performance: This LargeThe expansive line of silicone couplers from Mishimoto continues to expand! We now offer a broad range of 90 degree transition couplers applicable for use in both coolant and air passage systems. Finding the ideal coupler for your project can be challenging, but we make it easy with a massive selection of various bends, sizes, and colors to achieve your goals. Our couplers feature four layers of silicone, each divided by a layer of heat resistant