Silicone Couplers & Hoses

Grams 3.15 in. to 3.00 in. Reducer Coupler allows '06-'11 Civic Si, Subaru BRZ, Scion FRS, and Toyota FT86 Cold Air Intake system owners to install the Grams Performance & Design DBW Throttle Body without struggling to stretch the original coupler over...

The factory rubber throttle body hose on the 2008-2014 Subaru WRX is prone to failure, especially on vehicles running increased boost pressures. Mishimoto has developed a high-strength silicone replacement hose that provides increased pressure and heat...

The factory rubber throttle body hose on the 2008-2014 Subaru WRX is prone to failure, especially on vehicles running increased boost pressures. Mishimoto has developed a high-strength silicone replacement hose that provides increased pressure and heat...

The factory rubber throttle body hose on the 2008-2014 Subaru WRX is prone to failure, especially on vehicles running increased boost pressures. Mishimoto has developed a high-strength silicone replacement hose that provides increased pressure and heat...