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SKU: 21500

This Product Fits These Vehicles:

2015 Chevrolet 2500HD with 6.6L Duramax
2015 Chevrolet 3500 with 6.6L Duramax
2015 Chevrolet Cab & Chassis with 6.6L Duramax
2016 Chevrolet 2500HD with 6.6L Duramax
2016 Chevrolet 3500 with 6.6L Duramax
2016 Chevrolet Cab & Chassis with 6.6L Duramax

2015-2016 CHEVY DURAMAX 6.6L PERFORMANCE MODULE (LML)


Price: $455.00 $408.00
Only 8 left in stock - order soon.

*4 Position Switch: Stock, +30hp, +60hp, +90hp
*Up to 30% Increase in HP
*10%-20% Fuel Savings
*Does not flash the ECM
*Pays for itself in fuel savings alone
*Lifetime Warranty!

8 in stock

Product Information

The 21500 Performance Module fits 6.6L GM Duramax trucks (LML engines) 2015-2016 models. This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Adjustable with a four position switch you can adjust the power on the fly, Stock, +30 HP 60 HP, & +90 HP. The module doesn’t flash the ECM, instead it receives the data from the ECM, optimizes the signal to the engine improving the fuel efficiency and power. So it does indeed promise to pay for itself in pretty short order. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring.

Best of all, all of our modules come with a Lifetime Warranty.

The 21500 Performance Module fits 6.6L GM Duramax trucks (LML engines) 2015-2016 models. This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Adjustable with a four position switch you can adjust the power on the fly, Stock, +30 HP 60 HP, & +90 HP. The module doesn’t flash the ECM, instead it receives the data from the ECM, optimizes the signal to the engine improving the fuel efficiency and power. So it does indeed promise to pay for itself in pretty short order. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring.

Best of all, all of our modules come with a Lifetime Warranty.


Year: 2015, 2016
Make: Chevrolet
Model: 2500HD with 6.6L Duramax, 3500 with 6.6L Duramax, 6.6L Duramax, Cab & Chassis with 6.6L Duramax

Additional information

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SKU: 21500

This Product Fits These Vehicles:

2015 Chevrolet 2500HD with 6.6L Duramax
2015 Chevrolet 3500 with 6.6L Duramax
2015 Chevrolet Cab & Chassis with 6.6L Duramax
2016 Chevrolet 2500HD with 6.6L Duramax
2016 Chevrolet 3500 with 6.6L Duramax
2016 Chevrolet Cab & Chassis with 6.6L Duramax