Invidia Q300 Turbo Back Exhaust Engine Bottom End Internals 4L you can still use

4L you can still use the same manifold

That is why we designed our inlet pipe so large

An integrated urethane bump seal insures tight

A urethane plug is also included if you wish to block off the auxiliary air inlet

you get the reward of an aggressive exhaust note

Invidia Q300 Turbo Back Exhaust Engine Bottom End Internals 4L you can still useINVIDIA Q300 CAT BACK EXHAUST Tuned Muffler For optimal flow and enhanced sound Invidia's Q300 tuned muffler systems provide a quieter exhaust sound than both the R400 and N1 Invidia Exhausts. While still keeping volumes in check, their high flow design ensures efficient exhaust flow for optimum engine performance and prevents sacrificing any increases to power or torque. The Q300 mufflers offer a rich, deep, sporty exhaust note which enhances the