SPL Parts Swift Assist Springs 65mm Spring Rate 335 lbs/in (SWIFT-A65-060) 3518 VIS Racing Carbon Fiber Trunk

VIS Racing Carbon Fiber Trunk 13SBBRZ2DSS-020C

In addition to the parameters of your choice

These Secondary Cat Bypass Pipes will bring your F355 much closer to a early 2000's Ferrari F1 car exhaust note

avoid reinstalling stock hood springs

and/or 4" round resonator

SPL Parts Swift Assist Springs 65mm Spring Rate 335 lbs/in (SWIFT-A65-060) 3518 VIS Racing Carbon Fiber TrunkAssist Springs Get the best of both worlds, Swift assist springs provide a dynamic step linear rate. Like our helper springs, the assist springs are designed to be fully compressed at static height. Every one of our assist springs compress to the exact same height. This allows drivers to change assist springs without resetting the perch on the coilovers so the ride height isn't affected. Heavier rates of assist springs over helper springs are used to