Q300 60mm Cat Back Exhaust - Subaru BRZ & Toyota 86 12-21, 22+ 12-21 Subaru EJ Turbo without adversely affecting performance

without adversely affecting performance

and the engine is unable to push gasses out of the combustion chamber efficiently

Too large a diameter pipe

Scrapes or scrubbing

GrimmSpeed has the solution

Q300 60mm Cat Back Exhaust - Subaru BRZ & Toyota 86 12-21, 22+ 12-21 Subaru EJ Turbo without adversely affecting performanceINVIDIA 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