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The N1 Racing Series titanium for the VA WRX and STI is for owners who have driven a standard N1 and decided it is not loud enough
this correction sharpens turn-in response and maintains front tyre contact under braking loads -- meaningful improvements on a car that rewards precise driving
The Cobb LF Bypass Valve is the correct bypass valve upgrade for any turbocharged build running Cobb Accessport calibrations
This bracket has been designed to lock the wastegate flap on the turbo shut when needing to convert to an external wastegate setup
GSC Power-Division Stainless Steel Exhaust Valves 32mm - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) Subaru-STI-2017 The N1 Racing Series titaniumGSC Power Division Stainless Steel Exhaust Valves for Subaru Models, including 2002 2014 WRX and 2004+ STI Explore the GSC Power Division 32mm Stainless Steel Exhaust Valve Set, a meticulously crafted solution for Subaru enthusiasts seeking enhanced performance. Engineered with precision, these exhaust valves undergo an advanced 3D design simulation process to achieve a robust and efficiently flowing valve head. The result is a set of exhaust valves
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