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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Perfect for use on turbo downpipes
Supports both twin turbo N54 and single turbo N55 BMW 135i variants
For non-Hicas models
Whether you are looking for a comfortable ride for your commuter or a more aggressive setup for your race car
Flat Wire Linear Rate Bump Springs 800 lbs/in
Swift Round Wire Linear Rate Bump Springs 500 lbs/in exhaust Perfect for use on turboRound Wire Linear Rate Bump Springs 500 lbs in Swift Bump Springs are made from a proprietary material. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series, Formula Drift, and many other professional racing avenues.
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