APR Announces Stage III Turbo for 2.0T Share Comments APR adds to its Stage III offerings with APR Stage III EFR7163 Turbocharger System Owners of the MK7 GTI, the Golf R, and the Audis A3 and S3 can get excited about what APR is calling a “500+HP, 10-second quarter mile upgrade in a box.” The Stage III Turbocharger System is a twin scroll Borg Warner unit that is claimed to come out of the box with everything you need to attach it to your engine. The kit also comes with APR’s Stage III ECU, wastegate, manifold adapter, hoses, downpipes, map sensors, boost tap, and a whole lot more. The whole thing can be bought for $5,500 and comes with options for front or all wheel drive cars. APR also offers a Stage III fueling system upgrade, which it recommends with Stage III power levels. Read more on APR’s website.