Magnaflow Installed!
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Junior User
Joined: Oct 2006
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Magnaflow Installed!
I installed the magnaflow SISO kit finally. I was kinda disapointed. The kit didn;t go all the way to the cat. Their is still 3' of stock pipe. And the sound is extreamly quiet even with my foot in it! Will it get louder with time?
Senior User
Joined: May 2005
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It should open up a little bit -- I have true dual super 40 flowmasters and its starting to sound VERY NICE, about 1000 miles on the new exhaust now -- I am thinking of gutting my cats if it wont mess with the o2 sensors
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Junior User
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It will mess with your o2 sensors. But you can get something called o2 sims. It's chips for the o2 sensors that will fix the problem it causes. You'll have to shop around. I dunno where to get them.
Originally Posted by automaticj5
It should open up a little bit -- I have true dual super 40 flowmasters and its starting to sound VERY NICE, about 1000 miles on the new exhaust now -- I am thinking of gutting my cats if it wont mess with the o2 sensors
Posting Guru
Joined: Sep 2005
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From: Oxford, CT
Shouldve have cut the OEM muffler off to see if you liked the sound. It's not obnoxiously loud, but perhaps it is what you are looking for. I went from a FLowmaster 40 series to a straight pipe. Will never go back!!!
Tuned
Joined: Aug 2006
Posts: 479
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From: Bartlett, TN
Originally Posted by Lawson4x454
I installed the magnaflow SISO kit finally. I was kinda disapointed. The kit didn;t go all the way to the cat. Their is still 3' of stock pipe. And the sound is extreamly quiet even with my foot in it! Will it get louder with time?
Elder User
Joined: Jun 2006
Posts: 924
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From: Fuquay Varina,NC
Magnaflows will break in over time.
O2 simulators are old school, if you get a custom X2 tuner, you can have the rear ones disabled.
O2 simulators are old school, if you get a custom X2 tuner, you can have the rear ones disabled.
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MMNC (SS)(Ret)
Joined: Mar 2004
Posts: 11,602
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From: SE Georgia
should have gone with the SIDO, my truck went from quiet to roaring. there is also no point in gutting the cats, they already flow pretty good and won't restrict performance until you start pushing the 400+ hp range.
btw, put a nice 3" tip on the tailpiece, that will help in the sound department a little
btw, put a nice 3" tip on the tailpiece, that will help in the sound department a little
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MMNC (SS)(Ret)
Joined: Mar 2004
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From: SE Georgia
extend the tip so only 2-3" of tailpipe is inside the tipe. basically just enough for the tip to be tightened down. it sounds like the tip doesn't have enough room for the gases to expand and resonate a little before they exit
Logistics Pro
Joined: Mar 2005
Posts: 2,536
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From: southeast PA
The tip on the SISO is welded on. you unfortunatly can't adjust it. After a year you'll be looking to do something with it anyway as it will turn yellow and look like hell, just like mine!!!! Still haven't decided exactly what i want with it yet but, it will wait until after winter. I love the sound of my SISO. Loved it from the second i hit the key after I installed it. Maybe your used to a flowmaster drone?
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I'm just going to stick a torch in the pipe and cut it out! Good idea? haha
Originally Posted by Ferguson65
The tip on the SISO is welded on. you unfortunatly can't adjust it. After a year you'll be looking to do something with it anyway as it will turn yellow and look like hell, just like mine!!!! Still haven't decided exactly what i want with it yet but, it will wait until after winter. I love the sound of my SISO. Loved it from the second i hit the key after I installed it. Maybe your used to a flowmaster drone?
Post Fiend
Joined: Mar 2005
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From: Louisiana
Originally Posted by is300wrx
Shouldve have cut the OEM muffler off to see if you liked the sound. It's not obnoxiously loud, but perhaps it is what you are looking for. I went from a FLowmaster 40 series to a straight pipe. Will never go back!!!
Could you please try and get me a sound clip of your truck, and rate how loud it is on a scale of 1-10.
1 being stock, 10 being no cats or mufflers(just straight pipe).
Thanks for any help
Posting Guru
Joined: Sep 2005
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From: Oxford, CT
Originally Posted by MBBFord
I'm thinking of just cutting off the stock muffler and putting a piece of pipe.
Could you please try and get me a sound clip of your truck, and rate how loud it is on a scale of 1-10.
1 being stock, 10 being no cats or mufflers(just straight pipe).
Thanks for any help
Could you please try and get me a sound clip of your truck, and rate how loud it is on a scale of 1-10.
1 being stock, 10 being no cats or mufflers(just straight pipe).
Thanks for any help