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Old 10-03-2006, 05:09 PM   #1
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Default Exhaust (i know there are alot)

well I got some new parts and i am excited... Heck I tossed and turned thinking about the setup I want. I got to thinking. I am the proud owner of an 02 sle and well I was looking at the steup and how it has the y pipe. I got to thinking and I got a couple ppl to help me. I was thinking to remove the resonator. Put the new high flow cat in where the old one is. Then take wher the Y is and make it more straight to the 2 new 2.5 mufflers I got. When I was thinking of that i got to thinking would it hurt flow to cut the main pipe at close to a 45 degree angle and the weld the two other pipes going to the mufflers and then make another cut and weld on a small chunk of pipe to the muffler inlet. Would this setup cause any unwanted turbulence or more back pressure vs going with a more blunt Y or T pipe like the guy at the muffler shop said to do and bend it. I think he said it would have a smoother flow which would be better right. i was also thinking do the Y like I said the do a mandrel bend right by the muffler that I could get at summit. Any more ideas or ideas on mine would be appreciated TIA

Greg
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Old 10-03-2006, 05:13 PM   #2
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Default Re: Exhaust (i know there are alot)

Quote:
Originally Posted by gojo83
well I got some new parts and i am excited... Heck I tossed and turned thinking about the setup I want. I got to thinking. I am the proud owner of an 02 sle and well I was looking at the steup and how it has the y pipe. I got to thinking and I got a couple ppl to help me. I was thinking to remove the resonator. Put the new high flow cat in where the old one is. Then take wher the Y is and make it more straight to the 2 new 2.5 mufflers I got. When I was thinking of that i got to thinking would it hurt flow to cut the main pipe at close to a 45 degree angle and the weld the two other pipes going to the mufflers and then make another cut and weld on a small chunk of pipe to the muffler inlet. Would this setup cause any unwanted turbulence or more back pressure vs going with a more blunt Y or T pipe like the guy at the muffler shop said to do and bend it. I think he said it would have a smoother flow which would be better right. i was also thinking do the Y like I said the do a mandrel bend right by the muffler that I could get at summit. Any more ideas or ideas on mine would be appreciated TIA

Greg
ok wow....
hi flow cat really wont gain you anything but if your current one is going bad then replace it

i would leave the factory Y....there isnt a big problem with it as far as restriction,
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