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For USDM MY04-06 STI transmissions this provides improved 2nd-4th gear ratios making the car more suitable for drag racing
These FA24 pistons utilize a 2618/A1 material for high strength and detonation resistance
Radial ball bearing with dimension 30 x 72 x 17mm
The cobb 4-bar map sensor extends the range of the manifold pressure measurement up to 45psi of boost (60psi absolute)
Specifications: API SJ/SH/CF
Perrin Turbo Inlet Hose WRX MY08-14 Color:Black For USDM MY04-06 STI transmissionsSILICONE HOSES Decrease flow resistance and increase performance with the Perrin turbo inlet hose. Made from silicone material reinforced with a stainless wire support embedded within the layers to prevent collapse with large turbos running extreme boost and or restrictive air filter elements. Smooth seam free internal surface with significantly increased diameter compared to stock for maximum air flow. Improves power and throttle response with
