which y pipe to go with?
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From: central coast, cali
which y pipe to go with? just wondering which aftermarker y pipe should i go with? do all of them give you the overall same affect? and what kind of gains should i expect???....cant do headers.... im in CALI 
Last edited by 1fastz; Mar 26, 2006 at 09:04 PM.
With just a y-pipe like the SLP replacement, you are looking at -1 to +2 rwhp. It will make the tone a LITTLE bit deeper, but not really do anything to speak of as far as power is concerned.
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Originally Posted by 1fastz
-1 rwhp????!!.......u can actually lose hp!
Yeah, guys have lost hp going from the stock y, to the slp replacement y. With the natural variation of the dyno, it may not have actually been a loss, but nonethless no significant gain. The y-pipe isn't a restriction on a stock car with stock exaust manifolds, and that's why they don't show much in the way of gains.
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From: England
Why bother doing the Y pipe? It's not worth that much on it's own. Maybe if you are serious about spending some money look into shorty headers and a 3" Y pipe with high flow cats. But IMO I'd spend the money else where if I was living in CA.
Lid, catback, pulleys (maybe don't know much about them), LS6 intake (90mm) with tpis 90mm TB or maybe fast 90/90, cam and Nitrous.
Or look at a CARB blower kit.
Lid, catback, pulleys (maybe don't know much about them), LS6 intake (90mm) with tpis 90mm TB or maybe fast 90/90, cam and Nitrous.
Or look at a CARB blower kit.