Mishimoto MMCP-R45-2025BL Mishimoto 45-Degree Silicone Transition Coupler, 2.00-in to 2.50-in, Blue Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2004 less engine rpm and better

less engine rpm and better fuel economy

When in TapShifter mode

If the filter isn't tightened enough

Hose and Accessories

Mishimoto MMCP-R45-2025BL Mishimoto 45-Degree Silicone Transition Coupler, 2.00-in to 2.50-in, Blue Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2004 less engine rpm and betterThe expansive line of silicone couplers from Mishimoto continues to expand! We now offer a broad range of 45 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