new exhaust (bore diagmeter question) - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

14th Aug 06 at 16:28

just bought a catback system (scorpin) and the thing is huge! 2.5"bore

will that be too free flowing on my 1.4 16v with 4-2-1 manifold and a home made decat?(cut out and weilded a pipe in)

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=110019867169&ssPageName=STRK:MEWA:IT&ih=001

[Edited on 14-08-2006 by warren.g]

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

14th Aug 06 at 18:18

would it lose power due to being to large bore? anyone no?

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

14th Aug 06 at 18:19

erm..i have the same system on mine....but all of mines stainless lol
shouldnt be too free flowing mate

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

14th Aug 06 at 18:23

the exact same one? the bloke said it wasn't a loud one (good thing) is yours loud and do you have a decat?

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

14th Aug 06 at 18:38

i hava sports cat......nope it aint loud...it gets louder when the fiberglass sound deadening blows thru tho..

the exact same one

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

14th Aug 06 at 18:47

does it pop/burrble, it should with a 4 branch and decat i hope

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

14th Aug 06 at 19:09

erm..nope....get a straight thru centre section and it might

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

15th Aug 06 at 18:33

anyones elses opinion? 2" is the recommended size right? will it affect backpressure even tho the decat is standard bore (creating backpressure from the 4 branch

)