Skunk2 MegaPower RR 17-20 Honda Civic Si Sedan Exhaust System Forced Induction>Boost Controllers If this is the case

If this is the case the upper strut mounts have failed and need replacing ASAP

This helps to maintain horsepower when under load while improving fuel economy with lower EGTs

With this highest level of technology development

Fitting a wide range of GC and GD platform Impreza models and a range of other swapped and upgraded Subarus this kit combines and STI-style alloy lower control arm with a geometry optimized rear mount and bushing assembly

Skunk2 MegaPower RR 17-20 Honda Civic Si Sedan Exhaust System Forced Induction>Boost Controllers If this is the caseDecades of race engineering are incorporated into every part Skunk2 develops. Our MegaPower Double Barrel (DB) Exhaust system for the '17 '20 Honda Civic Si is no exception. All MegaPower exhaust systems are finely tuned using CNC Mandrel bends, precision robotic TIG welds and unrestrictive resonators to maximize exhaust velocity and eliminate restriction. Featuring parallel, dual race mufflers mounted center beneath the bumper, this system emits that