Invidia Q300 Cat Back Exhaust - Subaru WRX 11-14/STI 08-14 (Hatch) 14-0143 Important Notes: Pumps not included

Important Notes: Pumps not included - sold separately

Max Gains: +27% HP

Simple ECU and TCM flashing with gauge package

The fitting has extremely close tolerances to make a tight fit

Important Note: Designed to reuse OEM Bosch 044 check valves

Invidia Q300 Cat Back Exhaust - Subaru WRX 11-14/STI 08-14 (Hatch) 14-0143 Important Notes: Pumps not includedINVIDIA 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