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Rod Journal Diameter (in): 1
This one piece design delivers the best HP performance while still utilizing your factory OEM Catalytic converter (CAT)
The Atomic Boost Controller was tested on an MY02 Subaru WRX (whose only mods were a turbo-back exhaust) back-to-back with the factory controller
This design results in a performance air filter capable of increasing horsepower and torque
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Speed Science Stage 2 MPS Upgrade Package - MS3/6 MK6 Rod Journal Diameter (in): 1Speed Science Stage 2 MPS Upgrade Package MS3 6 Due to popular demand, we have created some upgrade packages using a selection of the best value for money upgrades we sell. Whilst the likes of COBB's "Stage" packages are great, they do come with the COBB price tag which is not realistic for everyone. The Stage 2 package offers great value for money and is a fantastic starting point for those wanting the basic bolt ons for maximum value for money