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I have a 3 in exhaust coming out of the turbo but afterthe muffler its 2 1/4 ish??? Is this effecting my truck and if so what do i do to get a 3 in after the muffler, can any muffler shop do this or can i do it at home with my own pipe and welder?
The other thing that we were looking at was straight piping the truck and expanding it to just a 3 1/2 in, but ive heard that if your truck has an EGR valve that it will burn your turbo out and the EGR valve and when the EGR valve goes bad your engine can run away and blow????
If we dont run a straight pipe then we are going to move the muffler further forward( it is right by the rear axle ) and run a 3 1/2 after the muffler