Manley 04+ Subaru WRX/STI EH257 99.50mm Bore STD Size 8.5:1 Dish Extreme Duty Piston Set MAP 1999-2001 Chrysler LHS Base 1983-1989

1999-2001 Chrysler LHS Base 1983-1989

GReddy Type-N No Relief Radiator Cap Most Honda / Some Toyota - Polished

This bellmouth is added because it increases the efficiency of air moving through the pipe by as much as 70% in the right situations

you will need a fuel pressure gauge so that you can accurately set your fuel pressure around 50-52 psi

This  significantly reduces the transfer of heat from the head to the intake and incoming air giving you more power

Manley 04+ Subaru WRX/STI EH257 99.50mm Bore STD Size 8.5:1 Dish Extreme Duty Piston Set MAP 1999-2001 Chrysler LHS Base 1983-1989Manley 04+ Subaru WRX STI EH257 99. 50mm Bore STD Size 8. 5: 1 Dish Extreme Duty Piston Set