Seibon SM-style carbon fiber rear spoiler for 2014 Lexus IS 250/350 (RS14LXIS-SM) 16470 Everybody can install

Everybody can install

Typical results are around 400WHP at under 500' elevation and below 75 degrees F

The STILLEN High Flow air intakes for Xterra

The CSF manifold is not designed to operate above 60 PSI

Seibon SM-style carbon fiber rear spoiler for 2014 Lexus IS 250/350 (RS14LXIS-SM) 16470 Everybody can installThe Seibon SM style carbon fiber rear spoiler for the 2014 Lexus IS 250 350 (RS14LXIS SM) delivers lightweight performance and durable style using premium grade carbon fiber construction. Finished in glossy clear coat that resists chipping and flaking Aerodynamically designed to complement vehicle styling and performance Manufactured from a single piece carbon fiber sheet for consistent weave and strength Exceptional carbon resin ratio ensures high