No mechanical tools required. The entire process takes roughly 10 minutes.
Due to high demand and occasional shortages, the TurbnPro KC4 is often sold out on Amazon. Authorized dealers include: turbnpro kc4
Warning: Avoid eBay units. The KC4 has a high rate of counterfeit clones that brick your ECU. No mechanical tools required
The TurbnPro KC4 offers five distinct tuning maps. Unlike aggressive tuners that sacrifice reliability, the KC4 retains all factory safety parameters (over-boost protection, knock control). Warning: Avoid eBay units
| Tune Level | Horsepower Gain (Diesel) | Best For | Transmission Behavior | | :--- | :--- | :--- | :--- | | Stock | 0 HP | Dealership visits | Factory shifting | | Tow | +40 HP / +80 lb-ft | Hauling 10,000+ lbs | Reduced torque converter slip | | Economy | +25 HP | Highway commuting | Early upshifts, fuel cut on decel | | Performance | +80-100 HP | Daily driving with fun | Increased line pressure, firmer shifts | | Race | +150+ HP | Track/dyno only | Max shift firmness, raised rev limiter |
Note: Race mode on a stock transmission will shorten its lifespan. TurbnPro recommends upgraded torque converters for Race mode.
No mechanical tools required. The entire process takes roughly 10 minutes.
Due to high demand and occasional shortages, the TurbnPro KC4 is often sold out on Amazon. Authorized dealers include:
Warning: Avoid eBay units. The KC4 has a high rate of counterfeit clones that brick your ECU.
The TurbnPro KC4 offers five distinct tuning maps. Unlike aggressive tuners that sacrifice reliability, the KC4 retains all factory safety parameters (over-boost protection, knock control).
| Tune Level | Horsepower Gain (Diesel) | Best For | Transmission Behavior | | :--- | :--- | :--- | :--- | | Stock | 0 HP | Dealership visits | Factory shifting | | Tow | +40 HP / +80 lb-ft | Hauling 10,000+ lbs | Reduced torque converter slip | | Economy | +25 HP | Highway commuting | Early upshifts, fuel cut on decel | | Performance | +80-100 HP | Daily driving with fun | Increased line pressure, firmer shifts | | Race | +150+ HP | Track/dyno only | Max shift firmness, raised rev limiter |
Note: Race mode on a stock transmission will shorten its lifespan. TurbnPro recommends upgraded torque converters for Race mode.