Y pipe
06-21-2005, 11:17 PM
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Y pipe
Will I see any signifigant gains using a Flowmaster Y pipe and gutted cats (with a straight pipe thru them) on factory manifolds, or should I wait till I can save up for LT's? I'm power hungry. And impatient.
06-22-2005, 09:12 AM
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Wait till I get my Magnaflow on and I go to the track...Its going o as we speak and Im going to the track tonight if if turns my SES code off. If not then I'll be at the track next week after i replace the rear o2 
06-22-2005, 01:58 PM
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I am running a flowmaster y and I got some u bends and welded up a y pipe from the stock manifolds to the flowmaster, then into my 3". I did this before the lt's I noticed more of a difference from getting rid of the cats and crappy stock ypipe than I did from the lt's.
If I had to guess I would say at least a 25 rwhp gain it was unbelievable just from redoing the ypipe.
Dont gut the cats just chop the ******* off and weld up a y into the flowmaster collector. You will gain alot more than you think
If I had to guess I would say at least a 25 rwhp gain it was unbelievable just from redoing the ypipe.
Dont gut the cats just chop the ******* off and weld up a y into the flowmaster collector. You will gain alot more than you think
06-23-2005, 07:10 AM
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Originally Posted by 02sierraz71_5.3
I am running a flowmaster y and I got some u bends and welded up a y pipe from the stock manifolds to the flowmaster, then into my 3". I did this before the lt's I noticed more of a difference from getting rid of the cats and crappy stock ypipe than I did from the lt's.
If I had to guess I would say at least a 25 rwhp gain it was unbelievable just from redoing the ypipe.
Dont gut the cats just chop the ******* off and weld up a y into the flowmaster collector. You will gain alot more than you think
If I had to guess I would say at least a 25 rwhp gain it was unbelievable just from redoing the ypipe.
Dont gut the cats just chop the ******* off and weld up a y into the flowmaster collector. You will gain alot more than you think
Thanks for the info, so ditch the cats, and use the Flowmaster Y and I'll notice some good gains huh? Sounds good what size Y 2.5 to 3??
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