HKS Silent Hi-Power Exhaust Honda Civic 8th Gen (2006 - 2011) ACUITY's K-Series Transmission Performance Spring

ACUITY's K-Series Transmission Performance Spring Upgrade uses thicker wire and additional preload to provide a very satisfying

Most applications utilize an adjustable lower mount

or motors that are turbocharged

resulting in improved high-speed aerodynamic performance

HKS Silent Hi-Power Exhaust Honda Civic 8th Gen (2006 - 2011) ACUITY's K-Series Transmission Performance SpringFITS: 3rd Gen Honda Fit GK5 Inspired and designed from endurance and GT racing in Japan, HKS developed its Hi Power Exhaust system for both turbocharged and naturally aspirated applications. HKS has incorporated this new race inspired offset muffler and piping design into many street applications, which offers a greater flow and higher PRM power gains due to the less restrictive design. This is achieved by eliminating unnecessary bends for the