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The “Y” shape design and dimpled interior surface make air flow more laminar (less turbulent) dramatically improving power and torque across the entire RPM band
Tuned = 424 HP / 297 ft-lbs of torque
This means that you can use the shift knob that is already in your vehicle
I noticed that you offer two spring options
these high-flow headers include HJS catalytic converters
BMW M3 E46 XperTune Performance Software 957 Turbo / Turbo S (2008-2010) The “Y” shape design andHP: +22 TQ: +16 Achieve maximum power from the BMW M3 3. 2L straight six engine without sacrificing drivability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD II port on your vehicle and your computer
