K-O Four.
Now in stock. K04 upgrade kit for TSI Engines from APR Tuned.
Complete with hardware, this OEM BorgWarner K04 is the perfect way to up the ante with your TSI equipped Audi or VW. Coupled with the APR ECU flash and APR’s RSC Exhaust system this kit will take your engine from the factory tuned 216HP to a neck snapping 366HP, and the torque numbers jump from a modest 238TQ up to a tire shredding 380TQ.
Head over to our Online Store to order your own K04 upgrade kit!






























