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25bhp and +9
2dB at idle and an impressive +9
5" Cat Back Exhaust
An Atmospheric Dump or Blow off valve suitable for all turbo cars without an Air Flow Meter
but also serves as an exhaust conversion for the TD4 models which currently house a single exit exhaust as standard
Valve Small Spring Tuning Kit BMW X1 25bhp and +9This kit contains a range of springs suitable for tuning many Forge Motorsport products. This kit can also be used in combination with our FMDVTUN spring kit for the tuning of our twin piston atmospheric blow off valves. Four springs are included within the kit. Valve Spring Colour Coding: The weakest spring is GREEN, followed by YELLOW, BLUE, and RED which is the strongest. Depepending on the supplied original fitment, this represents an increase of
