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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 > REVIEW- Best bang for your BUCK! Circuit Werkz Stainless Exhaust!



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      05-06-2014, 09:26 PM   #1
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REVIEW- Best bang for your BUCK! Circuit Werkz Stainless Exhaust!

Ok so I thought i would take the time to write a detailed review of the the Circuit Werkz exhaust I purchased on ebay. After owning many different exhaust systems on my E46 M3, i knew that i could trust a cheap system potentially to do the same as you who spend $1800 for the same thing..

I was skeptical, but you know what, with a hassle free return policy, i figured why not go for it and try it out… Here are a few things to point out!

So first things first. It was $535 shipped, full stainless system, quality welds looked amazing coming out of the box, just as my $1500 dollar Gruppe M did for my M3 back in the day..

Fitment--- Was perfect, spot on, came with all new gaskets and hardware, including down pipe bolts (if you have aftermarket) Stock you reuse the studs w/nuts. Fits perfect in the rear, has a nice crossmember that ties the rear 2 mufflers perfect in the middle.

----Finish, i opted for the 4 inch Burnt tips. Ran a HKS on my 350Z, and an Agency power on my M3. And really liked this "race"ish look! They at first glance do look big but the Cyba tips are 4 inch as well that many run on the forum..


---Sound, is awesome, I am still on stock downpipes. But this exhaust system removed the secondary cats, and the silly exhaust flapper, which i had programmed to stay open via JB4… Its a nice deep growl, i will update when i install my 3 inch downpipes and FMIC this weekend with new clips.

I was only able to make a quick video on my iPhone, but will make many more of fly by's and driving in and out of car. But it sounds just as good as my buddies AA exhaust, and another with ETS..


It has no rattles, and fit onto the stock hangers, and supports just as the factory units did. It was def a quality built product. The mufflers look great when riding behind the vehicle as well. I can feel a slight difference in performance also, but wasn't expecting much but maybe 5-10hp.

Overall i'd strongly recommend you get out of your lalaland and save a thousand bucks, (or send it to my paypal) LOL and try it out! Or don't, just want to at least leave my 2 cents because I'm really happy with it all. And it comes with a 1YR full warranty against cracks and defects..

Heres just a few photos, really wish i would've taken more…

Thanks for looking, and here is the link for anyone that may want to buy one:
http://www.ebay.com/itm/BMW-335i-E90...253ad8&vxp=mtr

All I did was just hit "best offer" for $535 and it was accepted.







NEW VIDEO:



And the quick video of revving to 4-4.5kRPM CLICK ON PIC TO VIEW VIDEO!

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      05-06-2014, 10:31 PM   #2
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It sounds like you have stock DPs, is that true?
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      05-06-2014, 10:56 PM   #3
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thanks so much for the info! Its always nice to find more reasonably priced parts like this.
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      05-07-2014, 07:51 AM   #4
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Quote:
Originally Posted by The Ghost View Post
It sounds like you have stock DPs, is that true?
Yes if you read the review i stated that was with stock DP's and i will be installing my 3 inch VRSF downpipes this weekend so i will have new sound clips.
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      05-07-2014, 07:54 AM   #5
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Quote:
Originally Posted by goblue30093 View Post
thanks so much for the info! Its always nice to find more reasonably priced parts like this.
No problem! It definetely helps to save on such a big ticket item!
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      05-07-2014, 09:06 AM   #6
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Ill also say check out the M2/ Top Speed exhaust, from Ebay or Amazon. I've been running that exhaust over a year and so far no problems or an signs of rust or anything of that nature.
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      05-07-2014, 09:34 AM   #7
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What diameter are the pipes? To me they look small, but that might just be me though..

Edit: their ad says 2.5" ID
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      05-07-2014, 09:41 AM   #8
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any drone?
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      05-07-2014, 09:42 AM   #9
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Quote:
Originally Posted by Transport3r View Post
What diameter are the pipes? To me they look small, but that might just be me though..

Edit: their ad says 2.5" ID
Measure at all points, they are 2.5 ID, and tips measured 3.95inch inner diameter.
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      05-07-2014, 09:42 AM   #10
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That exhaust is the top-speed/m2 exhaust.

Be sure to post some clips when you get the downpipes on!
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      05-07-2014, 09:42 AM   #11
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Quote:
Originally Posted by Rat_House View Post
any drone?
no drone in car, very sublte sound when cruising, now with downpipes it may a bit, not sure i will know once those get installed.
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      05-07-2014, 09:50 AM   #12
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I watched the video they had on ebay as well and it sounded pretty good for the price. 4" burnt tips are a little much for me but that's just nitpicking. Good review.
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      05-07-2014, 10:39 AM   #13
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Quote:
Originally Posted by Tiago@VRSF View Post
That exhaust is the top-speed/m2 exhaust.

Be sure to post some clips when you get the downpipes on!
I will Def give your company a review and write up! Very excited to try your Downpipes!

Yea thats what i thought, being sold under a different company. But you know what kills me is that a company boughtr like 100 of these systems, welded on a badge of some made up company and is selling them on EBAY for $1750... And over 10 people have bought them, such fuckin robbery. Cant believe people.
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      05-07-2014, 10:39 AM   #14
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Quote:
Originally Posted by KMEninety335 View Post
I watched the video they had on ebay as well and it sounded pretty good for the price. 4" burnt tips are a little much for me but that's just nitpicking. Good review.
Yea i am kinda iffy on the tips, but im used to them and oh well if i spend 100 for some new tips still cheap lol
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      05-07-2014, 10:54 AM   #15
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Sounds good. I posted this a week or two ago when I saw it on ebay. Good price, good sound.
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      05-07-2014, 11:11 AM   #16
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Weight???
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      05-07-2014, 11:42 AM   #17
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Quote:
Originally Posted by Eat.Sleep.Race View Post
Yes if you read the review i stated that was with stock DP's and i will be installing my 3 inch VRSF downpipes this weekend so i will have new sound clips.
Could you possible take more video (in-car, drive bys) with STOCK dps?

I've been looking at exhaust and don't want to take out the stock catted DPs since I live in Cali.
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      05-07-2014, 12:00 PM   #18
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Quote:
Originally Posted by Ph3n0m View Post
Sounds good. I posted this a week or two ago when I saw it on ebay. Good price, good sound.
Yes def best bet for the money, very happy with it.

Quote:
Originally Posted by mave198 View Post
Weight???
Full system(downpipe back is 55lbs roughly)

Quote:
Originally Posted by 1chanc3 View Post
Could you possible take more video (in-car, drive bys) with STOCK dps?

I've been looking at exhaust and don't want to take out the stock catted DPs since I live in Cali.
Yes i will take a bunch of videos this weekend and share within this thread!

Thanks
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      05-07-2014, 01:41 PM   #19
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Subscribed. Thanks for the review!

-Rich
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      05-07-2014, 02:12 PM   #20
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Interested in hearing it once you get the downpipes installed. Also what's the difference between this and the M2 exhaust that cost $150 less?
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      05-07-2014, 02:47 PM   #21
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Just goes to show how screwed we all get on massive markups for parts. I'm sure there's still a very healthy profit margin (several hundred) at the $500 price point.
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      05-07-2014, 03:03 PM   #22
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Quote:
Originally Posted by Black_Jesus View Post
Interested in hearing it once you get the downpipes installed. Also what's the difference between this and the M2 exhaust that cost $150 less?
I dont believe the m2 is the same, but i could be wrong, im just writing this review so you know this system, is in fact a good one to buy..

I will post up new sound clips with the 3 inch downpipes soon.,
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