HKS Silent Hi Power Exhaust System - CRZ Clearance 100% digital technology that makes

100% digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*

The HKB boss kits are a cost effective

The gauges are AEMnet CAN-bus enabled

replacing the restrictive factory air-box

These units are rated to hold 500 to 1200hp (depending on application)

HKS Silent Hi Power Exhaust System - CRZ Clearance 100% digital technology that makesHKS specializes in aftermarket high performance parts and is perhaps the most well known aftermarket brand in the world. Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars. Their vision was to tune and manufacture engine components that surpasses OE Manufacturers. HKS Silent Hi Power exhaust systems offer the same high performance and sporty appearence that you'd exepct, but with reduced noise