TOMEI EXPREME EXHAUST MANIFOLD For SILVIA RPS13 S14 S15 SR 193086Brand TOMEI Product Number 193086 Compatible Car SILVIA RPS13 S14 S15 Compatible Engine SR Product Description TOMEI EXPRoom is developed for the purpose of improving the performance with genuine exchange to the last. Therefore, auxiliary equipment such as turbines are assumed to be used in the genuine position. In the case of SR20 DET, the exhaust port of the engine is very close to the turbine, and if you try to make the exhaust manifold equal