up pipe - Benefits???
03 June 2007, 08:03 PM
#1
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up pipe - Benefits???
I have asked in general, no response as yet.
Looking to fit an up pipe will I see any benefits from it.
Looking to fit an up pipe will I see any benefits from it.
03 June 2007, 09:43 PM
#2
On a WRX there is a cat in the uppipe so it will make a big difference. To our STis mate it will make a difference but not as noticeable as a WRX.
Basically you need to keep the pipe small enough to keep gass speed up and provide better spool and response.. a larger pipe will ultimately flow more by volume for bigger power but will slighttly reduce response and increase spool time.
Hope that helps.
03 June 2007, 11:20 PM
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When you look inside the OE up pipe & see the core of the cat you wonder how it flows any air at all. I'll try & get a pic of the inside of my old one if I can dig it out the back of the garage.
And this is my up pipe courtesy of H&S ~ slim & trim like me.
Mark
03 June 2007, 11:24 PM
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Hi feller how's your horn?
When you look inside the OE up pipe & see the core of the cat you wonder how it flows any air at all. I'll try & get a pic of the inside of my old one if I can dig it out the back of the garage.
And this is my up pipe courtesy of H&S ~ slim & trim like me.
Mark
When you look inside the OE up pipe & see the core of the cat you wonder how it flows any air at all. I'll try & get a pic of the inside of my old one if I can dig it out the back of the garage.
And this is my up pipe courtesy of H&S ~ slim & trim like me.
Mark
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03 June 2007, 11:44 PM
#8
Hi feller how's your horn?
When you look inside the OE up pipe & see the core of the cat you wonder how it flows any air at all. I'll try & get a pic of the inside of my old one if I can dig it out the back of the garage.
And this is my up pipe courtesy of H&S ~ slim & trim like me.
Mark
When you look inside the OE up pipe & see the core of the cat you wonder how it flows any air at all. I'll try & get a pic of the inside of my old one if I can dig it out the back of the garage.
And this is my up pipe courtesy of H&S ~ slim & trim like me.
Mark
Good thanks Mark - Quality Install ...Nice and loud.
04 June 2007, 01:13 PM
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Would swapping the standard pipe for a de-cat version affect emissions come MOT time? I've got the PPP exhaust with sports cat but standard wrx up-pipe still.
Matt
Matt
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