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Derringer Tuner
Shave a full second off your 0-60 time and get over 4 truck lengths ahead of stock in the 1/4 mile. This makes getting onto the highway and merging effortless. Patented safety features protect engine and transmission.
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From $490.00
Derringer Tuner—
$490.00
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Shave a full second off your 0-60 time and get over 4 truck lengths ahead of stock in the 1/4 mile. This makes getting onto the highway and merging effortless. Patented safety features protect engine and transmission.




