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the new freer-flowing cat-back system ensures efficient expulsion of exhaust gases
These design cues allow the forged Shuriken to compliment numerous designs of modern day supercars
Replaces the OEM ceramic cat for improved gas flow and performance
CSF has developed a unique oil cooler upgrade for the N55 equipped cars
Evolve Remote Remap - BMW F30 | F31 3 Series 340i 326hp (B58) X5 (F15) the new freer-flowing cat-back systemOVERVIEW Additional 60hp on a stock vehicle Fully developed on dyno and road Top speed limiter removal Sharper throttle response and drivability Flash from home convenience Return to stock anytime Dealer program ID number remains the same as original Date of programming will not be changed Ethernet to OBD cable is required. If you do not have a cable, please contact us after purchasing. If you wish to come to us for installation of the remap, there is