Koyo All-Aluminum Coolant Filler Neck BRZ FR-S T86 Subaru - 10-way adjustable dampening knobs

- 10-way adjustable dampening knobs that "click" from soft to hard with no tools or jacking required

No electronics

The cold side pipes are mounted as high as possible to clear most turbo and intake combinations as they make their way to the throttle body through the engine bay

These new mufflers maintain a straight-through design that aids in exhaust gas flow and maximum power potential but keep sound pressure levels reasonable at idle and while cruising

with their progressive spring rates

Koyo All-Aluminum Coolant Filler Neck BRZ FR-S T86 Subaru - 10-way adjustable dampening knobsKoyorad introduces an all aluminum coolant filler neck for the 2013 2016 Scion FR S and Subaru BRZ. This is an all aluminum upgrade to the stock plastic piece with many features built into the design. Features: Billet aluminum eliminates steam erosion and cracking common with plastic filler necks Integrated 1 8 PT sensor port (supplied with optional plug) to fit with sensors provided by most Japanese temperature gauge companies Conversion of radiator