Welcome to South Texas Performance or STP, the hottest, fastest growing shop in San Antonio. We specialize in Ford Mustang performance and tuning. We also do maintenance and general repair on almost any automobile. Owned by Chris Morris and Roy Saenz that have over 30 years combined experience in the field of high performance automobiles. Quality parts and service at an affordable price. Give us a call or send us an email. We offer military discounts!!

CURRENT SPECIALS Currently we are running a $399.98 gear special that includes everything you need for a price you can't turn down. Call for details before it is too late.   MustangDyno MD1100 & Tuning Come see the new in-house dyno. Run your car including 2 pulls and AFR readings for only $99.98! Call for pricing regarding custom dyno tuning!
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