Existing Customer - One Additional Tune and maximum engine power can

and maximum engine power can be extracted

and high boost are our specialty

Our t-shirt is so comfortable

Expect approximately +15 max horsepower gains on a completely stock car

In addition to contributing to poor efficiency

Existing Customer - One Additional Tune and maximum engine power canThis product is for additional custom tunes and is only available to existing Severn Tuning customers who have purchased a custom ECU tune. Tunes are VIN locked to the same vehicle for which the original tune was purchased. Additional tunes can be developed for alternative fuels (91 93 octane, race gas, flex fuel, E85, etc.), emissions compatibility, race off road use, dry wet throttle response, hardware changes, or many other options. One tune: $200