Single Turbo System w/ 44mm Wastegate

The On3 Performance (1999-2013) Chevrolet & GMC SUV Single Turbo System is engineered to be a clean and simple bolt-on installation for your SUV's 4.8, 5.3, or 6.0L engine. This kit leverages the hot-side components from On3's proven truck kit, paired with a new SUV-specific cold-side and intercooler to accommodate the different grille area. The system includes the On 3 Performance 44mm v-banded wastegate, set with a 6-7psi spring, and a 3" to 3.5" stepped downpipe constructed from 16-gauge 304 stainless steel. The cold-side tubing is made of 3" all-aluminum for heat dissipation and weight reduction, featuring bead rolling and stainless t-bolt clamps to ensure secure connections. The included 3" core intercooler is rated for up to 800 horsepower, with an option to upgrade to a 4" core for higher output applications. The kit is designed to work with the stock driver-side manifold, with a crossover pipe that clears 4x4 components and the transfer case. Boost control is managed by the strategically positioned wastegate at the T4 flange. The stock fuel pump and injectors are not sufficient for the increased power output, which can range from 80-100% minimum increase. A recommended build for 500rwhp would involve upgraded fueling, such as a dual pump assembly and return fuel line upgrade, capable of supporting 900-1000hp. After installation, a professional tune is required for all trucks. The system is available with various turbocharger options, ranging from a 70mm to an 88mm, and offers choices for wastegates including the On 3 Performance 44mm or the Turbosmart 45mm Hypergate.