Not I and after 46,000 miles I don't think I will. When I first got the truck I was afraid I'd have to gut the emissions but after I owned it a while and learned how she wanted to be treated I'm very very happy and no black smoke to boot.

__________________

2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10