AST Lowering Springs- Honda Civic (FG4) Engine:Si Muffler Style: Q300 Valved

Muffler Style: Q300 Valved

and drive pins are manufactured in-house at our facility in Bellingham

Secures to the front RH motor mount

It is computer designed and tested to increase air flow while reducing weight and enhancing the visual appearance of the engine bay

Upgrading to the 5-bar MAP Sensor Kit increases the ECU's ability to read higher boost pressures

AST Lowering Springs- Honda Civic (FG4) Engine:Si Muffler Style: Q300 ValvedTransform your vehicles profile and performance with AST Lowering Springs. Engineered for drivers who demand a more aggressive aesthetic without sacrificing ride quality, these springs provide a significant reduction in ride height while working in perfect harmony with your factory dampers. By lowering the centre of gravity, AST springs reduce body roll during cornering and nose dive under heavy braking, resulting in a more stable and communicative