D2 Racing RS Series Coilovers (D-CH-05-RS) 1653 BORLA's advanced muffler technology delivers

BORLA's advanced muffler technology delivers great sound outside the vehicle with no drone or resonance inside the vehicle

This allows racers to reliably advance ignition timing—without using high-octane racing fuel—for improved power gains

For top feed conversion

the "floating” dividing piston is located in the reservoir

D2 Racing RS Series Coilovers (D-CH-05-RS) 1653 BORLA's advanced muffler technology deliversThe RS Series suspension kit is our most popular coilover. Featuring a 36 way damping and rebound adjustable monotube design, RS Series coilovers are perfect for the modified street car that also sees occasional track days. This coilover has separate height and preload adjustments allowing for optimal suspension tuning while maintaining full strut travel at all times Key Features: Uses either a rubber upper mount or pillowball rubber upper mounts.