A6/RS6
Stage 1
Take your RS6/A6 to a new level with a tuning chip from O.CT. Mega power and the signature
O.CT torque curve. |
A6/RS6
Stage 2
Add a Milltek
catback exhaust to your O.CT chip and what do you get? Even more power!
|
A6
Stage 3
O.CT Stage 3
matches the Milltek turbo-back exhaust with custom tuning. 391 lb-ft of
torque that just keeps pulling. |
