Diesel Service Areas Across South Texas | Express Diesel Performance

Diesel repair and custom tuning for drivers from the Coastal Bend to San Antonio, Austin, Houston and the Valley, from our shop in Rockport, TX.

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Services — Diesel repair, emissions system diagnostics, transmission work, preventive maintenance and custom tuning for Cummins, Duramax, Power Stroke and Titan.
Service Areas — Diesel repair and custom tuning for drivers from the Coastal Bend to San Antonio, Austin, Houston and the Valley, from our shop in Rockport, TX.
Privacy Policy — How Express Diesel Performance collects and uses your information.
Terms Of Service — Terms of service for Express Diesel Performance in Rockport, TX.
Contact — Tell us what's going on with your truck and we'll get back to you with availability and pricing. Or call or text 361-463-8252.
Apparel — Express Diesel Performance shirts, hats and gear.
Diagnostics — Custom calibrations for Cummins, Duramax, Power Stroke and Titan, plus EZ LYNK Auto Agent 3 and HP Tuners MPVI3 devices. Datalog follow-up included.
Remote Tuning — Custom tunes for Cummins, Duramax, Power Stroke and Titan, written for your truck and sent to your EZ LYNK or HP Tuners.
Cruise Map Switching — Cruise Map Switching on Express Diesel Performance LLC. Precision engineering and performance diagnostics for heavy-duty diesel systems.
Gallery — Trucks and work straight from the Express Diesel Performance shop in Rockport, TX.