Wake up your G8X with IRL downpipes that clear out the back pressure your stock catalytic converters create. Swap them in and your turbos spool faster and reach peak power sooner — a tuned S58 can see up to a 30 HP boost on stock turbos. A flex pipe section is built in to reduce strain and vibration, and smooth bends keep airflow optimal throughout.Professional installation recommended.Emissions disclaimer: This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email [email protected].