The turbocharger must be used with a Dynojet J-tube.This Big Turbo upgrade allows for 17% more airflow and spools faster, as well as lowers your overall charge temps thanks to an optimized design. Properly tuned with a Power Vision 3, you'll see a raw power increase of at least 38% on the 2016 Polaris RZR XP Turbo and at least 20% in later models.This turbo includes a water-cooled CHRA, which drastically lowers operating temperatures, exhaust temperatures, and charge temperatures - making sure you keep the heat on the competition, not your vehicle.Trust us, bigger is better. This premium turbo features a 5 mm larger Cast compressor wheel (41 mm) and a 4 mm larger (54 mm) turbine wheel. You'll also get the benefit of stainless steel exhaust manifold casting with Inconel wastegate flapper assembly. To ensure boost is delivered and controlled in a consistent manner, we've included a Dynojet-designed wastegate actuator, tailor-made for the Polaris RZR XP Turbo.