ALL SERVICE AREASBEXAR COUNTY, TEXAS

DIESEL SERVICE IN SAN ANTONIO

South Texas Diesel Builds

Northeast of the shop via US-181 and I-37

COVERAGE MAP

Our 250-Mile Service Radius

250 MI125 MIGULF OF MEXICORockportHOME BASECorpus ChristiVictoriaBay CityGalvestonHoustonCollege StationKilleenAustin · 161 miSan Antonio · 130 miKerrvilleEagle PassLaredoMcAllenBrownsville
Home base & key markets
Other areas served
250-mile coverage radius

Distances are straight-line miles from our shop in Rockport. Drive times vary — call and we'll help you plan drop-off and pickup.

SERVING SAN ANTONIO

San Antonio drivers come to us for builds they can't get done down the street — custom calibration, upgraded exhaust systems, and engine and transmission work done by technicians who specialize in diesel rather than general repair.

Whether you're chasing a power goal on a Cummins or Duramax, or just need a work truck that tows without complaint, we'll diagnose it, tell you what it actually needs, and build it to last.

About the San Antonio Area: San Antonio and its surrounding cities combine heavy daily traffic with weekend towing — a mix that rewards a tune built for drivability and heat management rather than peak numbers alone.

WHAT WE SEE HERE
Custom tuning and performance builds
Engine, turbo, and transmission repair
Written estimates before work begins
FIND US

San Antonio to Our Shop

We work out of one shop in Rockport, Texas — no mobile units, no subcontracted work. That means the same technicians who diagnose your truck are the ones who tune and repair it.

1121 West Market Street
Rockport, TX 78382

REQUEST SERVICE

VISIT US

1121 West Market Street
Rockport, Texas 78382

Mon–Fri: 9AM–5PM

PLATFORMS

CUMMINSDURAMAXPOWER STROKETITAN
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⚠ DISCLAIMER: All performance tuning products and services are intended for off-road use only. Use on public roads may be illegal under federal and/or state emissions regulations. By purchasing, you accept full responsibility for compliance with applicable laws. All deposits and tuning part purchases are non-refundable. Express Diesel Performance LLC is not responsible for any mechanical failures resulting from tuning modifications.

Express Diesel Performance

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