STM Silicone Hump Couplers Size (I.D.):2" Thread Size: 12mm

Thread Size: 12mm

then finished with a durable wrinkle black powdercoat

• Note the 2008-2010 Evo X models use the 3885A009 castle style nut

Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations

Using GFB's TMS technology

STM Silicone Hump Couplers Size (I.D.):2" Thread Size: 12mmWe have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our name on these if they were nothing less than the best! Couplers are black outside and orange inside with the STM logo. Available in I. D. sizes from 2" to 4". Sold individually. Price is for one coupler. Features: Hump Coupler 4 Ply Silicone Measurements in I. D. (Inner Diameter) Gloss Black Extremely