Quick Overview
THESE PARTS ARE LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW, AND ARE NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE
BMW B58 Stage 1 Upgrade
- Custom Billet Compressor wheel
- CNC Machined
- High Speed VSR Balanced
On stock car other than an air filter and 93 octane we gained over 30whp and 20ft/lbs with no tune.
On same stock car with only an air filter, JB4, and 93 octane / meth we made 481.18whp and 437.84 ft/lbs
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