orion :: SS Posted December 24, 2004 Report Share Posted December 24, 2004 Hey guys... First off...Merry X-mas (eve), happy holidays! Wanted to post pics of my new exhaust. I didn't plan on doing a catback on this truck, but I had an unused Magnaflow muffler laying around from an old project, and realized that for $75 for another matching muffler, I could get a few ponies, and a great sound out of my 6.0... I used two Magnaflow mufflers (2.5" offset in / 2.5" center out - p/n 12256), an H-pipe before the mufflers, modified the stock Y-pipe, and the rear piping and tip. (I did all this in my garage with a Lincoln 135 wire-feed welder, flux core wire...so excuse the semi-sloppy welds on a few of the pipes..and they look even more funky b/c I hit them with high-temp, shiny AL paint) I wanted to keep it cheap, so I settled on a homemade H-pipe, rather than make a more complicated Y. Started by cutting off the stock muffler,and put in the H-pipe: Then welded on the 2 mufflers: I drove it like this for a day, with just dumps after the muffler...and hated it. Noticeable loss in low end, and bad resonance in the cab at idle and up to ~2000rpm... Sounder GREAT at WOT, but too loud for my tastes (it really wasn't that bad, but I wanted quiet, with just a little more rumble than stock)... So I took the stock Y-pipe and made it a more "true" Y...for better flow, better merging of the exhaust gas. Welded that to the muffler exit, made a 3" intermediate pipe to connect it to the stock rear piping: The low end grunt was back, and the sound better IMO... I wanted the tip to sit a little higher, so I bent the hanger up a little, to make it sit a little closer to the body: And finally, and outside shot: - - - - - Impressions: Awesome sound. Deep and mellow, maybe a little resonance between 1500-1800rpm...but a great rumble at idle, and it seems quicker in the higher RPMs (?). Overall, I'm really happy with the outcome, sound and performance. This is a great mod for these trucks IMO (and even better for the $75 I have invested in it)...although it did take ~5hrs of playing around / cutting / welding to get it *just right*. Anyway, have a good holiday... - Brian Quote Link to comment Share on other sites More sharing options...
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