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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > NEW OWNER: 335i N55 M-SPORT



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      04-07-2013, 12:08 PM   #23
Jonny3773
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Quote:
Originally Posted by Yoro35i View Post
no point in secondary cat delete, best delete pre-cats and run 2nd cats will give you the most gain!
Well I've seen a video on YouTube:


I love the sound and I've been quoted £150 to replace the cats with straight pipes.

How much power does a decatted down pipe give? Is it noticeable? I heard this was expensive in labour too?

Many thanks
Jonny
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      04-07-2013, 05:45 PM   #24
AlanYoro35i
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Quote:
Originally Posted by Jonny3773 View Post
Well I've seen a video on YouTube:


I love the sound and I've been quoted £150 to replace the cats with straight pipes.

How much power does a decatted down pipe give? Is it noticeable? I heard this was expensive in labour too?

Many thanks
Jonny
i'm certain that is not a OEM exhaust, unless they have wield different tips on. primary decat pipe will give you arounnd 20ish bhp (quoted from n54 ). Labour rate varys, 3-4 hours should do the job, some members here had done in in Darren wood in Manchester( i can't remember who but i remember seeing it was cost less than 200 , others does it with birds near heathrow ( i was quote upto 4 hours = 400 pounds).
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      04-07-2013, 06:05 PM   #25
Jonny3773
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Quote:
Originally Posted by Yoro35i View Post
i'm certain that is not a OEM exhaust, unless they have wield different tips on. primary decat pipe will give you arounnd 20ish bhp (quoted from n54 ). Labour rate varys, 3-4 hours should do the job, some members here had done in in Darren wood in Manchester( i can't remember who but i remember seeing it was cost less than 200 , others does it with birds near heathrow ( i was quote upto 4 hours = 400 pounds).
Yes this chap fitted black larger aftermarket tips! However it's oem exhaust just with secondary cat deleted

I've spoken to Mesh and got the ball rolling!
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      04-08-2013, 10:22 AM   #26
Davidlindsey
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what happens at mot time?
do you replace the o.e cat with a sports cat or just a straight through pipe.?
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      04-11-2013, 11:13 AM   #27
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Originally Posted by Yoro35i View Post
It's on the same road where chessington theme park is, there is a business industrial park there. that is where they are located!
Ahh yea I know, been driving down that road for many years. I lived in Claygate for most of my life.
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      04-11-2013, 05:39 PM   #28
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Gorgeous! Congrats mate!
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      05-30-2013, 03:44 PM   #29
Leonard123
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Hey Jonny
Thinking of buying your car (I think its yours anyway!)
Can you please drop me a PM
Thanks
Leonard
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      05-30-2013, 05:07 PM   #30
chaz_master
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I saw an orange wrapped e92 the other day in Chessington. Does it belong to anyone here?
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      05-31-2013, 02:47 AM   #31
Bee Pee
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N55 RWD no 2nd cats in mid pipe

Jonny,

Suggest checking underneath yr car 1st as RWD n55 cars don't appear to have 2nd pair of cats in the mid pipe, see extract below from realoem.

Video clip maybe of a non UK AWD N55 that does have cats in mid pipes as std.

http://www.realoem.com/bmw/showparts...17&hg=18&fg=10

Dave

Quote:
Originally Posted by Jonny3773 View Post
Well I've seen a video on YouTube:


I love the sound and I've been quoted £150 to replace the cats with straight pipes.

How much power does a decatted down pipe give? Is it noticeable? I heard this was expensive in labour too?

Many thanks
Jonny
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      05-31-2013, 04:58 AM   #32
AlanYoro35i
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Quote:
Originally Posted by chaz_master View Post
I saw an orange wrapped e92 the other day in Chessington. Does it belong to anyone here?
Yup probably mesh's! Did u see surrey projects on the side and bk?
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      06-14-2013, 07:50 AM   #33
chaz_master
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Quote:
Originally Posted by Yoro35i View Post
Yup probably mesh's! Did u see surrey projects on the side and bk?
Must have been. Couldn't make out any words but noticed some sort of writing or something on it.
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