ISIS Intake Plenums are designed to optimize performance in high performance engines. The cast-aluminum intake manifold allow for large volumes of air to get evenly distributed to the cylinder. To achieve the most from from your SR at higher boost levels, this ISIS Intake manifold is a must! All Aftermarket intake manifolds require modification to throttle cable bracket or you can purchase the S14 SR Throttle Pulley Wheel. Be sure to Add the ISIS Intake manifold Cold pipe to your intake manifold order. Easily install your ISIS intake manifold utilizing this Cold pipe. No need to build a custom pipe, just bolt this one right on!! Sand Finish