Lb7 downpipe
#1
Lb7 downpipe
I have an 02 duramax with a mbrp 4" turboback exhaust. Im thinking about adding a 3" turbo downpipe. Are the gains worth the 200 dollars? I had it chipped with a superchips but removed it and am thinking about finding somebody to efi live tune it, but want to do all my add ons first.
Thanks!
Thanks!
#2
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might see a little hp increase mostly noticable on the dyno, the cutting of the airbox seemed to help some but not a lot, it was free so i figured why not . it has a k&n in it now but i just picked up a bills custom intake with an s&b filter from a buddy for cheap so i couldn't say no haha.
#7
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