Subject	X pipes were pioneered by NASCAR guys >>>
Posted by	YellowZXTT on October 10, 2001 at 8:20 AM
	This message has been viewed 17 times.
In Reply To	Some jackass at Meineke just told me X-pipes give no gain -> posted by LedZep(ASU baby!) on October 10, 2001 at 07:50 AM
Message	the main purpose is to produce a scavenging effect at higher rpms that helps the exhaust gasses move out faster. Thats the theory anyway. The efficiency of the system depends the lenght of the pipes leading to and from the x pipe. As a result not all x pipes are created equal. Besides this the x pipes have a bigger advantage in high reving NA motors where the scavenging effect produces a bigger gain. In a TT application the advantage, while being present, is minimal. As an example the stillen x pipe system dynos only 2 hp more than a hks hyper system on the same car / same day. I have the dyno charts somewhere. We tested this about 2 years ago when i was doing a group buy on the hks hypers. Harry " If it doesn't make it faster, i don't care "
Follow Ups	Some jackass at Meineke just told me X-pipes give no gain -> - LedZep(ASU baby!) 07:50:07 10/10/01 Fabbing an X probably requires more skill than they have - JRH(KY) 07:57:41 10/10/01 X pipes were pioneered by NASCAR guys >>> - YellowZXTT 08:20:56 10/10/01 sweet dsm man (n/m) - Z U N L 10:11:56 10/10/01 how much gain would you get on the x-pipe for the NA >> - maverick (NYC) 11:04:29 10/10/01 honestly not enough of a benifit to justify the price. >>> - YellowZXTT 19:41:55 10/10/01
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