Banks Power recently announced the availability of its Derringer performance inline tuner for 2020 GM heavy-duty trucks equipped with the 6.6-liter L5P Duramax diesel engine. Banks reports that the ...
For those folks out there with a Duramax-powered Chevy Silverado HD in the driveway eager for a healthy power boost, legendary diesel tuner Gale Banks Engineering is now offering a super simple ...