Injen Axleback Exhaust Civic Si (2012-2013) Ford GrimmSpeed has engineered their brace

GrimmSpeed has engineered their brace to be simple to install and take a beating and comes back for more

Neuspeed has continually developed high performance springs for Audi/VW applications for over two decades and introduced the variable progressive rate design for superior ride and handling for your VW

Provides quick but smooth engagement and extended life

The GrimmSpeed 3-Port solenoid is guaranteed to spool your turbo faster and maintain rock solid boost control

3%) and +21whp (9

Injen Axleback Exhaust Civic Si (2012-2013) Ford GrimmSpeed has engineered their braceThis Injen SES exhaust for the 2012+ Honda Civic Si 2. 4L is a direct bolt on axleback exhaust. This Injen exhaust for the new Civic Si and produces a dyno proven 6. 79 horsepower and 5. 57 torque. Exhaust is fully stainless steel and comes with all necessary bolt, nuts and gaskets needed for install. This Injen exhaust is made in the USA and features a 1 year warranty. This exhaust for your Civic Si features an Injen straight through muffler, and