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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 > Ultimate Racing 335i COUPE Cat-Back Exhaust with Dyno!



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      03-30-2007, 02:49 PM   #1
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Ultimate Racing 335i COUPE Cat-Back Exhaust with Dyno!

Hey guys,

We've been getting countless emails, and calls for our E92 335i Coupe version of our 335i cat-back exhaust. The wait is now over. Again, here are some key features of the exhaust (which is actually very similar to our E90 335i Sedan cat-back).

- Full 304 Stainless Steel Construction
- Equal Length Piping
- Twin Polished Stainless Steel Mufflers
- Polished Stainless Steel Muffler Tips (Available in rolled, and single wall)
- Stainless Steel X-Pipe
- Stainless Steel Clamps
- TIG Welded
- 100% Bolt-On with ZERO modifications
- Great sound with ZERO rasp!
- 23 lbs Weight Savings (55 lbs vs 78 lbs stock) *This still has to be verified on the coupe





Here are the underbody shots that most of you have already seen from the Sedan thread. The Coupe is very similar.









Again, you'll notice that the exhaust is designed to keep the pipes equal length, while retaining maximum flow. The muffler tips are angled with the same contour of the rear bumper. Each piece is TIG welded to perfection.

Here are the dyno results. It is important to keep note that no other modifications were done to this car. No tuning, just our cat-back exhaust installed. Try to look beyond peak numbers, and notice the power it has made throughout the powerband.





We should have some updated videos soon. In the meantime, anyone that hasn't heard this exhaust can hear it on our automatic Sedan. The sound is identical.

http://www.e90post.com/forums/showthread.php?t=44798


Our retail price on these exhausts will be set at a competitive $1500.00 USD.

To further support this community, E90Post.com forum members will receive a special discounted price of $1395.00 USD!

We are taking orders for these NOW.

Questions, and comments are welcome.

Darryl
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      03-30-2007, 03:01 PM   #2
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Great stuff Darryl! Darryl has to be one of the most patient vendors I've ever talked to. He answered my questions without getting upset and I had a lot of questions, lol. I will order my catback sooon, just got to pay some bills first since it's the end of the month. Being a broke college student and all is not ballerific, hehe
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      03-30-2007, 05:08 PM   #3
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wow nice... i didnt see it anywhere, how big are the tips?
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      03-31-2007, 08:09 AM   #4
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Quote:
Originally Posted by wj4 View Post
Great stuff Darryl! Darryl has to be one of the most patient vendors I've ever talked to. He answered my questions without getting upset and I had a lot of questions, lol. I will order my catback sooon, just got to pay some bills first since it's the end of the month. Being a broke college student and all is not ballerific, hehe
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      03-31-2007, 08:10 AM   #5
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Quote:
Originally Posted by NaViT View Post
wow nice... i didnt see it anywhere, how big are the tips?
These are 4" rolled tips. Same ones offered on our sedan version.

Darryl
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      04-02-2007, 09:56 AM   #6
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me likee!!!!
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      04-02-2007, 10:12 AM   #7
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Darryl, how close are you to having a DP ?
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      04-02-2007, 10:27 AM   #8
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Quote:
Originally Posted by topher04r1 View Post
Darryl, how close are you to having a DP ?
It is next on our list. We hope to have something available early summer.

Darryl
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      04-02-2007, 10:41 AM   #9
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GREAT ! ...... thanks darryl !
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      04-04-2007, 06:25 PM   #10
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I JUST saw your update on the Sedan thread! Finally!


I have to pay the remainder of my rims when they show up, buy some tires, i was planning to get some suspension, and some aero parts.. but uhhh, you know.. sometimes a few ramen noodles is worth it

and seriously, that $1395 price for e90post members deserves a major

and did he seriously say we could have DPs by early summer? It's like christmas... in april? so easter?
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Last edited by TheAcAvenger; 04-04-2007 at 07:16 PM..
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      04-04-2007, 07:23 PM   #11
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amazing
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      05-07-2007, 12:53 AM   #12
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yeah so Mac's don't have winzip, can we get these clips on youtube?
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      05-07-2007, 01:04 AM   #13
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My UR e90 clip. If you think it sounds pretty good parked, you should hear it under load
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      05-07-2007, 01:30 AM   #14
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whoa, that does sound good.
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      05-07-2007, 01:38 AM   #15
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Quote:
Originally Posted by TheAcAvenger View Post
I JUST saw your update on the Sedan thread! Finally!


I have to pay the remainder of my rims when they show up, buy some tires, i was planning to get some suspension, and some aero parts.. but uhhh, you know.. sometimes a few ramen noodles is worth it

and seriously, that $1395 price for e90post members deserves a major

and did he seriously say we could have DPs by early summer? It's like christmas... in april? so easter?
car noobus here, whats dp?
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      05-07-2007, 01:41 AM   #16
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downpipe
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      05-07-2007, 06:21 AM   #17
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Quote:
Originally Posted by elmaki View Post
yeah so Mac's don't have winzip, can we get these clips on youtube?
Your Mac should be able to unzip by itself. If it can create Archives, it can unzip. If not, get StuffIt Expander on Versiontracker or something.

Excellent sounding exhaust I'm torn between this and the Milltek...
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      05-07-2007, 11:56 AM   #18
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nice looking exhaust
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      05-07-2007, 12:27 PM   #19
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BTW, here is the exhaust on a sedan. I am very happy with the Ultimate Racing exhaust on my car. I have some slight tweaking on the adjustments at the bumper..but I think I should be able to work them out. For some strange reason, after installing my suspension..it moved a tad...dont know whats up with that.

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Car is now gone .... :-(
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      05-07-2007, 12:28 PM   #20
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Quote:
Originally Posted by elmaki View Post
car noobus here, whats dp?
Its Del Playa..in Isla Vista...silly. Yes, I went to UCSB.
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Car is now gone .... :-(
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      05-07-2007, 12:29 PM   #21
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Quote:
Originally Posted by S4to335 View Post
BTW, here is the exhaust on a sedan. I am very happy with the Ultimate Racing exhaust on my car. I have some slight tweaking on the adjustments at the bumper..but I think I should be able to work them out. For some strange reason, after installing my suspension..it moved a tad...dont know whats up with that.

Great picture, and a very nice car.

Thanks for sharing that.

Darryl
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      05-07-2007, 07:48 PM   #22
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Quote:
Originally Posted by S4to335 View Post
Its Del Playa..in Isla Vista...silly. Yes, I went to UCSB.
hehe, thats the first thing that came to mind...then I had a complete mental block and couldn't figure out what else dp stood for.
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