Slone’s Performance
Dyno Tuning, Performance Parts Sales. Engine Building, Installation Service
05/30/2026
Another nice C7 in the books for tuning.
05/22/2026
Another strong result today teaming up with Slone’s Performance on this 2018 Mustang GT MT82! 🔥
This setup came in with:
• Cobra Jet Intake Manifold
• Twin 69mm Throttle Body
• PMAS Cold Air Intake
• Long Tube Headers
• E85
After the retune, the car picked up BIG numbers running in 4th gear:
📈 Before:
436 HP / 378 TQ
📈 After Valor Motorworx & Slones Performance retune:
484 HP / 423 TQ
That’s a gain of:
⚡ +48 HP
⚡ +45 TQ
The combination absolutely woke this car up from midrange through the top end. Stronger airflow, cleaner calibration, and the E85 setup putting in work exactly how it should.
05/22/2026
Late 70’s Land Cruiser in for tuning and light work. Pretty cool ride.
05/13/2026
This is a first in my life! Customer Truck LS based engine! It came in with a miss.
05/11/2026
Nasty 6th Gen! 434HP 386TQ video in comments.
Full Cam install Dod delete and tuned here at Slones Performance.
05/04/2026
94 Corvette. Customer installed TQ head unit and it tuned out at max HP301 max TQ348
04/11/2026
This must be Big Truck week!
04/07/2026
That’s One BIG Truck For My Poor Little Dyno!
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Contact the business
Telephone
Address
Jasper, TN
37347
Opening Hours
| Monday | 9am - 4pm |
| Tuesday | 9am - 4pm |
| Wednesday | 9am - 4pm |
| Thursday | 9am - 4pm |
| Friday | 9am - 4pm |
| Saturday | 9am - 12pm |
| Sunday | 9am - 2pm |