HKS Circle Earth System Grounding Kit Subaru WRX incl. STi Exhaust Muffler Height: 9” (228

Height: 9” (228

As the MMR discs dissipate heat much more efficiently

Note: For 2015-18 CTS-V see our FlexLink system

or drive in challenging conditions

ensuring uninterrupted performance under hard acceleration and access to the full tank capacity

HKS Circle Earth System Grounding Kit Subaru WRX incl. STi Exhaust Muffler Height: 9” (228HKS Circular Grounding System utilizes a 24 karat gold plated distribution block and multiple grounding points for improved idle and drivability. Additional grounding points equalize resistance and voltage between various ground points on the car resulting in a more stable electrical system. This will yield better engine response and horsepower by allowing the electrical accessories to work more in tuned with each other offering a more accurate