O.CT S4 Tuning


S4 Stage 1 Take your S4 to a new level with a tuning chip from O.CT. Mega power and the signature O.CT torque curve.	S4 Stage 2 Add a Milltek catback exhaust to your O.CT chip and what do you get? Even more power!	O.CT S4 Boost Gauge Co-developed by O.CT & Stratmosphere the most unique product introduced this year.
Starting at $795	Up another notch here	Industry breakthrough!

S4 Stage 3 O.CT Stage 3 matches the Milltek turbo-back exhaust with custom tuning. 391 lb-ft of torque that just keeps pulling.	S4 Stage 4 Monsterous torque of nearly 400 lb-ft that is as long and flat as the OEM torque curve.	S4 Stage 5 and 6 Even more power than Stage 4? Yes it's true. Massive power on tap!
Click here for 332hp	Click for proof!	Click for Mega power

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