Just got a Ralliart Colt? Or finally getting round to giving it some aftermarket love? This is a Quick & Dirty Ralliart Colt Mod Guide to help you work out plan of attack. This is just a rough guide, don’t take my estimates that seriously just vague ball parks. All kW figures are at front wheels on roller dyno. Stage 0 ~90-95kW Stage 0.5 95-100kW K&N Panel Filter Boost Pill out Tune Stage 1 110-124kW (depending on boost/risk profile) K&N Panel Filter 3 port boost solenoid (grimspeed evo X unit is easiest) Evo MR Metal Bov Fuel Pump (walbro 255 or similar) [...]