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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Magnaflow cat-back released (I have one installed)



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      01-30-2008, 09:55 PM   #1
Evo8MRto335I
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Magnaflow cat-back released (I have one installed)

I already have a Magnaflow cat back installed on my 335i coupe. It is a bolt on and it is cheap as hell. The part number is #16791.

I only saw one picture on the website of a Magnaflow cat back from a black 335i Coupe with California plates. Magnaflow don't have any dynos yet but I am expecting similar or better power gains to the competitors specially because the mufflers are straight through design.

The tips are 4" and the muflers are cylindrical in shape(not sure if I spelled right). The system comes with a x pipe and the piping is a bit larger than stock piping.

Here is the catch, the cat back it only bolts on to the cats, in fact, you have to cut the piping exiting the rear cats because it doesn't bolt on directly to the downpipes.

In my opinion the goods:

price
looks
flow

The bad:

It only bolts on to the back of the rear cats.

Fortunately you can have a shop remove the cats for a mere $50. I took a few pictures but you guys have to wait. As far is the sound, it is much deeper and quiet even at iddle. My car burps when shifting from first to second, I think it has to do with the ECU pulling timing when full throtle.

Update:

To void confusion, I deleted a couple of sentences because I don't think I was explaining myself in a fair way. When I aquired this exhaust the MSRP prices wasn't listed on the website. I did an inquiry though a local shop and they gave me a price of $650 (I still have that price/quote on my cell phone inbox message voice). This shop is the one that informed that the Magnaflow exhaust was ready and available otherwise I was scheduled with this same shop to do a custom catback using magnaflow mufflers.

Again, this all started because the shop gave me a original quote of $650(tax wasn't specified), then the shipping was added. This shop got their exhaust through a local warehouse (Phoenix I believe) but I still paid some shipping fees.

I provided the exact shop address and phone over PM so that you can call them or order from them but I am not sure if he will give that price again.
In any case, remember, this is not a full "true" cat-back, it does not go all the way to the downpipes.

The next closest cheaper exhaust was the Ren Art at $995. So if you plan to do this exhaust(magnaflow), please consider the pros and cons. Remember, there are also other semi exhaust that also cost more, Corsa and Borla do actually compite with magnaflow,both cost more but do similar job.
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      01-30-2008, 09:59 PM   #2
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I just bought something similar a CP-E exhaust thats very similar to the Magnaflows for 1200...Its still alot more than the Magnaflows, but cheap compared to the well known name brand ones...Can u take some pic of the exhaust?
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      01-30-2008, 10:00 PM   #3
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Wow, $645 for a rear exhaust is pretty damn good if it sounds good. The more options the better
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      01-30-2008, 10:02 PM   #4
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I already took a bunch of pics, I just need to download them into my lady's website(bellow). It will definately take me a good solid 30 minutes before any pics.

I want to be very honest, I hate to pay anything over $1000 for a catback. It is unconceiveable to pay a few grand for a supersprint cat back. Yeah, they might be nice but performance wise my exhaust puts equal or more than a supersprint.
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      01-30-2008, 10:05 PM   #5
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oooo, pics pics - so there is cutting involved?
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      01-30-2008, 10:06 PM   #6
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Quote:
Originally Posted by BoostedBMW View Post
Wow, $645 for a rear exhaust is pretty damn good if it sounds good. The more options the better

I originally order a set of Ren art exhaust, it was paid back in October but I got military orders and I needed something done fast. When I went to the shop last week to have my rear cats cut the guy told me that he could get me magnaflows for $645 so I asked him how fast could he had them and he told me that they were on stock already so I went ahead and order them.

I also got a superfast phone response and e-mail from the magnaflow region representative providing me all the data needed (while I was getting my exhaust shipped). I just couldn't let it pass, $645 for the exhaust it was a smoking deal. again , part number is 16791(magnaflow)
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      01-30-2008, 10:08 PM   #7
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Quote:
Originally Posted by billspreston View Post
oooo, pics pics - so there is cutting involved?

All you need to cut is the existing piping. A simple clean cut that shouldn't take more than 3-4 minutes(tops). This exhaust bolts on after the rear cats.
It definately gets rids of the crushed pipes and heavy mufflers.
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      01-30-2008, 10:08 PM   #8
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http://www.magnaflow.com/02product/s...=Sport&id=1468

Install sheet: http://www.magnaflow.com/07techtips/pdfs/16791.pdf

Price on the website is $1327.21

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      01-30-2008, 10:15 PM   #9
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do we know what muffler is with that cat-back system?
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      01-30-2008, 10:20 PM   #10
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Quote:
Originally Posted by thegeneral101 View Post
do we know what muffler is with that cat-back system?
Dont know, but there is a sound clip on that link I provided as well. It sounds pretty good...
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      01-30-2008, 10:20 PM   #11
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that sounds pretty damn good!
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      01-30-2008, 10:21 PM   #12
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so whats the real price?
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      01-30-2008, 10:22 PM   #13
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damn i wished you would of posted this one week earlier before i bought Cp-e exhaust...That price is really appealing to the pocket!
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      01-30-2008, 10:22 PM   #14
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E90AW335I, ^^ Great info, I never saw the dynos despite I asked the regional service representative. Also, new to me is the MSRP, I did not see it listed anywhere but good to know..

I am downloading the pics as we speak(a few more minutes)
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      01-30-2008, 10:24 PM   #15
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Quote:
Originally Posted by oct1285 View Post
so whats the real price?
I am sure is going to depend on the distribuitor. My local shop hooked me up a lot.
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      01-30-2008, 10:31 PM   #16
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Quote:
Originally Posted by billspreston View Post
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      01-30-2008, 10:37 PM   #17
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Quote:
Originally Posted by e90AW335i View Post
Shit that is the wrong part i fudged the #
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      01-30-2008, 10:39 PM   #18
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Quote:
Originally Posted by billspreston View Post
Shit that is the wrong part i fudged the #
, damn it....
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      01-30-2008, 10:42 PM   #19
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Quote:
Originally Posted by e90AW335i View Post
, damn it....
yeah dude i've found like 3 place online and they are all $1200+

i was going to go buy this thing tomorrow at $645

more info: http://www.clubbimmer.com/forums/showthread.php?t=1768
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      01-30-2008, 10:44 PM   #20
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I just downloaded the pictures:

www.evoixgrl.blogspot.com
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      01-30-2008, 10:47 PM   #21
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Quote:
Originally Posted by billspreston View Post
yeah dude i've found like 3 place online and they are all $1200+

i was going to go buy this thing tomorrow at $645

more info: http://www.clubbimmer.com/forums/showthread.php?t=1768
Well, talk to other shops. If you want, I can PM you the shop that ordered mine,otherwise look here:

http://www.performancepeddler.com/de...CT_ID=MAG16971
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      01-30-2008, 10:50 PM   #22
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Quote:
Originally Posted by Evo8MRto335I View Post
Well, talk to other shops. If you want, I canm PM you the shop that ordered mine.
That would be sweet. I'm seriously wondering if the shop did what I did and enter part number 16971 which is $646, and not number 16791, which is the correct part number.

Thanks dude, looks great. Do the tips stick out further after a little after they heat up. I'd like mine to stick a little farther out. Any drone?
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