HKS Super Turbo Muffler Quad Burnt Tip Cat Back Exhaust Subaru STI 15-21 / WRX 15-21 | 31029-AF013 Vehicle Model_Model Y 5" tall inverted-top radial filter

5" tall inverted-top radial filter design

resulting in less than optimum throttle response and drivability

This bolt on solution produces a great balance of spool and power

Included : 16pc lug nuts + 4 lock nuts + 17mm HEX & 21mm HEX key adapters

maintaining factory compatibility while improving performance:

HKS Super Turbo Muffler Quad Burnt Tip Cat Back Exhaust Subaru STI 15-21 / WRX 15-21 | 31029-AF013 Vehicle Model_Model Y 5" tall inverted-top radial filterFitment Information: 2015 2021 Subaru STI 2015 2021 Subaru WRX Features: The HKS Super Turbo Muffler Quad Exit Catback Exhaust is a great option for those that are looking for power and a sporty sound when stepping on the accelerator, and to keep it down low with the RPMs. This HKS exhaust is constructed out of 304 stainless steel and comes with super turbo mufflers that are made of titanium which allow for a significant weight reduction without