TwistedMinis
+1y
I built the exhaust system for Johns truck today. Stock was 2" to the cat and then 2.25" after that. I decided to step the whole thing up to 2.50" tube with all mandrel bends, a high flow Magnaflow cat, and a Dynomax Thrush welded muffler, which is similar to a Flowmaster design. It is all TIG welded aside from the hangers and where it meets the 2" - 2.50" reducer right at the manifold. At no point does any of it hang below the frame. The closest part is when it crosses over, where it has about 1/4" of room above and below the tube.Here is a picture of the back aired out. This is as low as it goes with the bed bolted on and the wheel wells uncut. There is still about 1/2" 1" between the axle and the bump stops, so I need to cut the fenderwells up about 2 inches. so they clear in any circumstance. The last picture is if a box I made to hold the air gauges and switches for the pressure switch and manually bypassing the lights. I figure since the gauges point right up at you, lights might be annoying at times. It needs a really good wash now. There was a lot of crap under the bed liner that got on everything.