As we continue to develop and test more parts, we will continue to record our results.

2015 WRX	WEIGHT
17" Factory Wheel	45.45 Pounds
Factory Cat-Back Exhaust	37.7 Pounds
Stock HP	xxx
Stock TQ	xxx
Stock 1/4 Mile	xxx

STM Stainless Dual Exit Exhaust Upgrade for the 2015 WRX & STi.




Factory vs STM:


Factory vs STM:


COBB Pro Tuning available at STM.