TRD GR Rear Bumper Under Spoiler - GR86 - Red Top Mounts Bigger diameter to increase the

Bigger diameter to increase the exhaust flow rate

since the fuel system of the L15C engine has sufficient capacity as it is

Although welding remains the preferred method

and can be used on EFI or carbureted applications

dual valve springs as well as allow F20C/ F22C engine to use the K Series valve springs

TRD GR Rear Bumper Under Spoiler - GR86 - Red Top Mounts Bigger diameter to increase theTRD (Toyota Racing Division) is Toyota's in house tuning arm, offering parts and accessories from a range of Toyota and Lexus models. With OEM levels of quality, TRD parts are some of the best aftermarket items available for Toyota models. Race inspired styling and improved aerodynamics mean this rear bumper spoiler not only looks great but is functional. TRD quality ensures exceptional fitment.