Progress Tech 94-01 Acura Integra/96-00 Civic/Si Coil-Over 3 System (FR 550lb/RR 550lb) Fac. Top Hat 2007-lexus-gs450h-esi4725472 K&N E-4665 is easy to

K&N E-4665 is easy to install and will fit into your factory air box

reduce noise

The added strength of the materials in both the hose and clamps offer improved pressure tolerance compared to stock

The result is dramatically improved front end grip

Progress Tech 94-01 Acura Integra/96-00 Civic/Si Coil-Over 3 System (FR 550lb/RR 550lb) Fac. Top Hat 2007-lexus-gs450h-esi4725472 K&N E-4665 is easy toProgress Tech CS3 systems include rebound adjustable damping. These new dampers widen the spring rate selections to include fourteen combinations. Now you can purchase a track day or drag race combination at an affordable price. Or enjoy the smooth ride of softer springs and dial in the rebound control to suit your driving style and road quality. Installation Instructions