these are our billet rs6 style turbochargers with mamba wastegates. Featuring upgraded 360 degree thrust bearings, upgraded oil seals, billet compressor wheels and 1 bar wastegates. Backed by an 18 month warranty at 30 psi and a same day shipping guarantee. All qc on these turbos is done locally and re assembly is done in house. These are an affordable alternative to modified oem rs6 turbos. For more details email us at sepautomotivenj@gmail.com