SRI: Decat with silencer or not - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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ellclover

Member

Registered: 19th Jan 05
Location: derby
User status: Offline

20th Mar 05 at 22:13

if i have my cat removed, will the centre silencer restrict it at all? will i notice any difference in sound of performance if i take my cat out?

cheers

CoastalCorsa

Member

Registered: 7th Jan 05
Location: Lancashire
User status: Offline

20th Mar 05 at 22:16

performance ever so slightly sound dunno got custom system

Fraser Young

Member

Registered: 26th Dec 02
Location: Dundee City Drives: 58 Impreza WRX
User status: Offline

20th Mar 05 at 22:28

Ive jus fitted a decat with a silencer in the decat pipe, sounds lovely

PaulW

Member

Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline

21st Mar 05 at 10:00

Mine sounds a bit throaty under acceleration...

Decat with silencer, no centre silencer.

broster

Premium Member

Registered: 6th Dec 02
Location: Drives: E39
User status: Offline

21st Mar 05 at 13:44

i have a bfo system, had a de-cat with silencer and it was quiet but nice, recently swapped it for one with no silencer, sounds alot nicer under acceleration but still not over powering

Filby1

Member

Registered: 12th Dec 03
Location: Brighouse
User status: Offline

21st Mar 05 at 15:04

What sort of power gains do you get from removing Cat? also along with no center silencer and just a rear box how much louder will it be

PaulW

Member

Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline

21st Mar 05 at 15:17

+0.0001BHP

CoastalCorsa

Member

Registered: 7th Jan 05
Location: Lancashire
User status: Offline

21st Mar 05 at 16:20

the bigger the box and the more u have the quieter it will be so if you put that in reverse smaller box and less boxes
Can any one confirm this but can u not loose compressionn / back pressure with less boxes and end up loosing power

ffls

Member

Registered: 29th May 02
User status: Offline

21st Mar 05 at 19:11

I'm going to fit a jetex box in my decat with Mantzel group a it's just to much noise for me (i'm 38 years old that's the problem:lol

a_j_mair

Member

Registered: 23rd Jan 04
Location: Scotland
User status: Offline

21st Mar 05 at 19:20

i have just had a 2" s/s system fitted, de-cat with 2 silencers an a sebring backbox and i feel it is to loud, sounds far to loud for my liking

3CorsaMeal

Member

Registered: 11th Apr 02
User status: Offline

22nd Mar 05 at 09:33

i agree with a_j_mair, i have a similar setup and its really loud, quite a meaty roar but doesn't match the poncy engine

MoNkEy MaGiC

Member

Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline

22nd Mar 05 at 12:45

i got Scorpion group A stainless steel exhaust on my Gsi
from the cat back, so got the standard cat, scorpion middle silencer and backbox...it is too quiet! the induction sound from my viper is louder till higher revs!

i want it louder and deeper with NO rasp/screech!!!!