Anyone chip a Cummins ISB 6.7 XT?
Lately we've done a few trips pulling our enclosed trailer with our VW Golf R in it. That adds up to a tow weight of 6900 lbs. so we are lacking power big time. Has anyone installed an aftermarket pow...
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There are tuners - some are better than others.
Choose one that doesn't raise rail pressure beyond Bosch limits.
Choose one that doesn't raise rail pressure beyond Bosch limits.
