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Nelson Performance

Tuning - Installation - Wiring

Custom Tuning

Nelson Performance Tuning!

NP is now offering custom tunes with HPTuners RTD.
Click below to read more!

For live tunes contact us for an appointment.

For mail order and remote tuning contact us for more info.

NP Tuning


Our most popular product.

All wire is txl rated, the highest heat resistant covering available; used due to the high temps underhood.

Assembled with new OEM components and crimps, then soldered for trouble free contact.



We offer complete installations from efan harnesses to complete engine swaps.

Our technician is Master ASE Certified in every field.


10034 Roosevelt Ave
San Antonio, TX 78214

Monday-Friday 9am-5:30