APEXi - Engine Metal Head Gasket RB25DET, 87mm T=1.5 (814-N202) ENGINE diffusers redirects the high speed

diffusers redirects the high speed air flow to transition smoothly transition into the low pressure vacuum in the rear

from the main muffler canister and piping to the internal silencers

Order the fitment and options tailored for your vehicle application

On average

Note: Length 8

APEXi - Engine Metal Head Gasket RB25DET, 87mm T=1.5 (814-N202) ENGINE diffusers redirects the high speedThe A'PEXi metal headgaskets provide upgraded protection on high horsepower engines. Factory headgaskets cannot withstand the pressures of high output operation and often cause the engine to "blow." This condition is actually caused by a failure in the factory headgasket. A'PEXi recommends replacing the factory headgasket with a metal one before gasket failure causes more damage to the engine. The gaskets are all designed engine specific and provide a