Quote:
Originally Posted by 4g63tcrazy
Neither will void the warrenty. Henry's dad has a programmer on his and it doesn't void it and diesels don't use cats (I think) so you wouldnt be messing with an emissions device.
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But he also got it from the dealership too didnt he?(the programmer) and yes there is a cat in it, well technecally a doc(diesel oxygen catalyst), and DPF which is a diesel particulate filter. They really stepped up the emmission shit with diesels in 09.