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Banks 55449 Exhaust Brake with Switch Fits 07-09 GM 6.6L Duramax Banks Brake Introducing the all-new Banks Brake for '07-09 Duramax LMM. TOP OF THE HILL... NOW WHAT?
You've crested that big hill and need to start thinking about slowing down. What do you do? Ride your service brakes and hope they don't overheat? Downshift the transmission and possibly over-rev your engine? Look for a runaway truck ramp?? DON'T GET PUSHED AROUND!
When you've got a heavy load behind your truck and steep downhill grades to deal with, instead of feeling in control you can sometimes feel helpless. Not anymore. The new, all-electronic Banks Brake offers total safety and a whole lot more. HOW DOES THE BANKS BRAKE WORK?
It works by modulating systems already found on the vehicle... no mechanical additions whatsoever. And its level of braking power and intensity is completely user-selectable at the turn of a switch. It's extremely easy to install, even easier to use, and best of all, we're offering Banks Brake at a value price previously unheard of! | 
