Keithwidney
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« on: November 20, 2011, 01:51:28 PM » |
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Well I took my truck to get smoged and it failed . I have a high co reading . So now I need to replace the catalytic converter and since I will be doing that I'm thinking about doing a whole system and wanted to know if there would be any benefit to it , power gains . What sounds good , not too loud ( I leave for work at 4 am , don't want neighbors to hate me) .or any other info.
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SteeevO
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« Reply #1 on: November 21, 2011, 05:59:34 PM » |
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Keith,
I'm working on getting more Doug Thorley headers made for the 3.0, with headers and having the exhaust reran with 2.5" pipe you will see gains.
for a muffler I recommend getting something with packing in it to keep the drone down but will still flow well.
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Keithwidney
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« Reply #2 on: November 21, 2011, 09:10:22 PM » |
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What is the stock pipe size?
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SteeevO
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« Reply #3 on: November 21, 2011, 10:34:17 PM » |
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2.25" i think . I don't remember 100%
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Rugged Rocks Newsletter | Check out my articles on CrawlerNews.com!------------------------------------------ "When you hit the tree between the headlights thats understeer. Oversteer is when you hit the tree between the Tail Lights"
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KovemaN
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« Reply #4 on: November 22, 2011, 10:10:32 AM » |
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I love the sound of the Flowmaster Delta 50 with the Thorley headers. It may drone a little on the highway, but the sound is nice and deep without being raspy. My exhaust guy charges me $100 for new custom exhaust from the cat back. If you get a universal cat it might cost a little more to have everything connected. I highly recommend having flanges installed so the system can be removed if needed.
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Keithwidney
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« Reply #5 on: November 22, 2011, 10:30:07 AM » |
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Where is your guy located . I got a quote yesterday for 400 cat muffler and turn out . A little high price IMO .
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KovemaN
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« Reply #6 on: November 23, 2011, 11:37:10 AM » |
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I'm in Phoenix. Sorry if I misled you, but that price was just for the tubing and work to install a muffler that I provided. I would expect to add another $100-125 for the muffler and $100 for a new cat if purchased from an exhaust shop. I kept an eye out for a while and picked up a direct fit Magnaflow cat for $75 and the Flowmaster Delta 50 for $60. My total price was less than $250 installed.
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Keithwidney
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« Reply #7 on: November 23, 2011, 02:46:33 PM » |
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I found a weld in cat from magnaflow and my muffler is fairly new and sounds ok . So I'm going to go with the new cat , new piping and old muffler . And a set of the Doug thorley headers when I can afford them
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Keithwidney
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« Reply #8 on: November 28, 2011, 08:40:24 PM » |
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Well I got it to pass without putting a new cat in . I put a new oxygen sensor and cleaned the mass air flow sensor .
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