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ddeane Regular Location: PNG Registered: June 2002	Re: 1GGTE exhaust Sat, 09 October 2004 09:00 Hi, I am going to disagree with what hasd been advised to date. Until recently I ran a standard 1ggteu in may ta23. It had a 2.5 inch sytem with a resonator and largest possible turbo muffler. This car put out 139rwkw. Recently I have moved to a single GT25/30 turbo, with lots of other mods - read members car to find out more. On advice from a someone that is well respected in the design of mufflers for performance cars I had constructed a split dump pipe - the wastegate joins in some 450mm down the 3 inch dump pipe. The dump pipe then flow into a 3 inch hi flow cat. After the cat to reduce down to 2.5 inch and fedd into the original 2.5 inch system with the hammer box and the turbo muffer. The car is quiet from the outside and there is no resonance. The theory provided to me by the disgner (and constructed) was that b the time the gases have exited the cat the tempature has dropped considerable and there is little advantage in contrinuing the 3 inch system. Keep in mind that this was not a cost saving action, remeber my latest changes cost over $8,500 so I was not worried about a few $,00, but rather I was ensuring that I maintained the same performance, could keep the pipe over the diff and had reasonable noise. The car is putting out 200rwkw at less than 13psi! Craig [Report message to a moderator]

	Subject	Poster	Date
	1GGTE exhaust	justcallmefrank	Fri, 08 October 2004 08:01
	Re: 1GGTE exhaust	justcallmefrank	Fri, 08 October 2004 08:05
	Re: 1GGTE exhaust	MR 1JZ	Fri, 08 October 2004 10:30
	Re: 1GGTE exhaust	Nark	Fri, 08 October 2004 11:37
	Re: 1GGTE exhaust	MR 1JZ	Fri, 08 October 2004 15:31
	Re: 1GGTE exhaust	Nark	Fri, 08 October 2004 23:02
	Re: 1GGTE exhaust	CrAiGzEE	Fri, 08 October 2004 12:29
	Re: 1GGTE exhaust	Nark	Fri, 08 October 2004 12:32
	Re: 1GGTE exhaust	manmx83	Fri, 08 October 2004 14:38
	Re: 1GGTE exhaust	EvilJack	Sat, 09 October 2004 00:17
	Re: 1GGTE exhaust	MR 1JZ	Sat, 09 October 2004 03:17
	Re: 1GGTE exhaust	justcallmefrank	Sat, 09 October 2004 03:35
	Re: 1GGTE exhaust	MR 1JZ	Sat, 09 October 2004 03:40
	Re: 1GGTE exhaust	justcallmefrank	Sat, 09 October 2004 03:43
	Re: 1GGTE exhaust	MR 1JZ	Sat, 09 October 2004 03:47
	Re: 1GGTE exhaust	Chris Davey	Sat, 09 October 2004 04:35
	Re: 1GGTE exhaust	hemi twofifteen turbo	Sat, 09 October 2004 05:14
	Re: 1GGTE exhaust	MR 1JZ	Sat, 09 October 2004 07:23
	Re: 1GGTE exhaust	justcallmefrank	Sat, 09 October 2004 05:52
	Re: 1GGTE exhaust	ddeane	Sat, 09 October 2004 09:00
	Re: 1GGTE exhaust	justcallmefrank	Sat, 09 October 2004 09:12
	Re: 1GGTE exhaust	Dylo	Mon, 11 October 2004 03:57
	Re: 1GGTE exhaust	indian	Mon, 11 October 2004 05:37
	Re: 1GGTE exhaust	MR 1JZ	Mon, 11 October 2004 06:27
	Re: 1GGTE exhaust	indian	Mon, 11 October 2004 06:31
	Re: 1GGTE exhaust	MR 1JZ	Mon, 11 October 2004 06:32
	Re: 1GGTE exhaust	gold28	Mon, 11 October 2004 11:51
	Re: 1GGTE exhaust	Nark	Mon, 11 October 2004 11:54
	Re: 1GGTE exhaust	justcallmefrank	Mon, 11 October 2004 11:54
	Re: 1GGTE exhaust	gold28	Thu, 14 October 2004 09:28
	Re: 1GGTE exhaust	justcallmefrank	Thu, 14 October 2004 09:38
	Re: 1GGTE exhaust	gold28	Thu, 14 October 2004 09:52
	Re: 1GGTE exhaust	indian	Thu, 14 October 2004 22:37
	Re: 1GGTE exhaust	TOY77	Thu, 14 October 2004 23:13
	Re: 1GGTE exhaust	indian	Thu, 14 October 2004 23:18
	Re: 1GGTE exhaust	justcallmefrank	Fri, 15 October 2004 00:03
	Re: 1GGTE exhaust	indian	Fri, 15 October 2004 00:10
	Re: 1GGTE exhaust	justcallmefrank	Fri, 15 October 2004 00:19
	Re: 1GGTE exhaust	indian	Fri, 15 October 2004 00:24
	Re: 1GGTE exhaust	justcallmefrank	Fri, 15 October 2004 00:26
	Re: 1GGTE exhaust	indian	Fri, 15 October 2004 00:32
	Re: 1GGTE exhaust	MR 1JZ	Fri, 15 October 2004 00:34
	Re: 1GGTE exhaust	indian	Fri, 15 October 2004 00:39
	Re: 1GGTE exhaust	justcallmefrank	Fri, 15 October 2004 00:44
	Re: 1GGTE exhaust	indian	Fri, 15 October 2004 00:58
	Re: 1GGTE exhaust	justcallmefrank	Fri, 15 October 2004 00:43
	Re: 1GGTE exhaust	justcallmefrank	Fri, 15 October 2004 01:00
	Re: 1GGTE exhaust	indian	Fri, 15 October 2004 01:01

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