TDI Tuning Box Chip w/ Bluetooth for Audi S6 4.0 TFSI Quattro (C7) 444 BHP / 450 PS / 331 KW / 550 NM / 406 LBFTCutting Edge Tuning Technology TDI Tuning's CRTD4 Tuning Box is at the cutting edge of digital tuning box technology and represents a revolution in vehicle performance chip tuning. Based on micro processor architecture, the CRTD4 Tuning Box remaps vehicle performance moment by moment by interfacing with your engine via our connection harness which just plugs in. After installation your vehicles power will be increased by: Stock PS 450 Tuned PS 518

650 RPM Peak TQ Gains vs

Keep your engine running efficiently

Because suspension parts are subject to the most brutal forces on the road

If you're a track junkie

High-grade sealing materials and custom-fit connecting pieces assure reliable separation of contaminated and filtered oil

The collar is around 3mm oversized with respect to the shaft

machined spacers and hardened steel shims which prevent wear over time

2012 - Present Audi SQ5 (B8/B8

in the world of high performance vehicles

Also available are single groove keeper setups

Compatible with factory or CTS Turbo turbo outlet pipe

12 inch 79