For PCMtuner 1.21 Users Stage 2- Modifying Car Intake and Exhaust System Function

For stage2, the price for modifying car's intake and exhaust system function is 110USD.

Stage 2 for modifying intak and exhuast system of the car

Stage 2 Power boost second-stage procedure: The turbo engine continues to improve, requiring the replacement of spark plugs, ignition coils, intake, exhaust (head section), the strengthening of large and medium cooling and other modified parts, to achieve a 5%-10% increase on the basis of the stage 1.