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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 > 335i Britalman Primary Catback Exhaust: Dynos and Vid Clips



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      04-19-2007, 10:08 AM   #1
ksfrogman
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335i Britalman Primary Catback Exhaust: Dynos and Vid Clips

Stock Dyno Data


Supreme Power Parts (SPP) 2007 335i test car

Mods: 20" DPE wheels, brembo brakes, coilovers

Engine: stock
exhaust: stock
ecu: stock

Peak HP 279.9 @ 6,149 RPM
Peak torque 301.2 ft/lbs. @ 3,505 RPM.
Air temp. 54.8F
Recorded on 04-13-07 at 08:34:53am




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      04-19-2007, 10:10 AM   #2
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Post Britalman Install Dyno Data

Britalman primary catback complete exhaust installed on SPP 335i

Mods: 20" DPE wheels, brembo brakes, coilovers

Engine: stock
exhaust: Britalman primary catback exhaust system
ecu: stock

We showed a best gain of +14.9 HP & +16.9 torque at the 4500 rpm range.
Please compare the dyno sheets.

Overall there was approx. +8-12 HP gain and +10-15 torque gain throughout
the powerband!- see britalman exhaust dyno vs. stock exhaust dyno sheets.
Please compare dyno sheets

Maximum HP was 287.5 HP @ 5,924 RPM
Maximum Torque 307.9 ft/lbs. @ 3,495 RPM
Air temp. 71.3F
Recorded 04-13-07 @ 14:38:39 pm

The air temp. was 16.5F degrees hotter during the Britalman installed dyno run, versus the earlier stock dyno run. There is
a possibility the stock exhaust run would of been slightly worse at this
later time and temp, bear in mind this is only an assumption.



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      04-19-2007, 10:26 AM   #3
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Stock dyno run SPP 335i


Britalman primary catback installed, dyno run SPP 335i


Cruise, roll into launch


Low rpm cruise w/ gear changes


Take off launch, chirp 2nd gear


Bandit run #2


Bandit run #3


Bandit run #4


Bandit run #5
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      04-19-2007, 10:50 AM   #4
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A+ clips i love it! Cant wait for a Price and for it to be released.
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      04-19-2007, 10:59 AM   #5
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The Britalman exhaust is coming out sometime in June with an estimated pricing below $1900.00.

The M Shop is a Britalman distributor so we'll be carrying and installing these systems once they're released.
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      04-19-2007, 11:15 AM   #6
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Quote:
Originally Posted by SfValley335i View Post
A+ clips i love it! Cant wait for a Price and for it to be released.

6" round mufflers
2.5" inlet diameter (muffler)
14" long (muffler)
Tubing is 2.5" vs. 2.36" stock
Tips are 3.5" vs. 3" stock

Balance chamber in middle of tubing

1" stainless steel band clamps included (front section is flanged, bolts to primary cat tubing that comes off turbos)

System is broken down into 3 major sections to ensure best possible shipping solutions and ease of installation.

Approx. 20-25% weight savings over stock

System is adjustable so you can get perfect fitment and look.

304 stainless steel

High luster polish (entire system)

Laser engraved Britalman logos on tips

Installation instructions

All 335i systems will come with a Britalman baseball cap, their new limited edition Britalman 335i Tshirt, and Britalman license plate frames

Built and packaged entirely in California, USA
Lifetime warranty
Available June 2007

MSRP $1,895.00 complete system primary catback
Quad system in development soon
Downpipes in development now

Contact your favorite vendors on E90 post for special pre-sale pricing.
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      04-19-2007, 11:29 AM   #7
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Any pics?
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      04-19-2007, 11:39 AM   #8
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Pics coming soon within the next few weeks. This primary catback system utilizes two separate mufflers, is bolt-on, and requires no cutting.
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      04-19-2007, 02:18 PM   #9
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Very nice ksfrogman. Any ETA on the downpipes? Do you plan to install them? Cant wait to see the #s from there
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      04-19-2007, 04:16 PM   #10
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Someone needs to make something for an e90
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      04-19-2007, 04:55 PM   #11
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Quote:
Originally Posted by Walked U View Post
Someone needs to make something for an e90
what the heck? their not making this exhaust for the e90 ?

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      04-19-2007, 08:10 PM   #12
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+1 Please make it for the E90!!!!!
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      04-19-2007, 08:33 PM   #13
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I'm going to get flamed for this

I'm going to get flamed for this.... I think it sounds very ricey. I have heard about 4 Cat backs on the 335i's and they sound exactly like Accord rice buckets. JUST MY OPINION.

Ok, ignite flame throwers.... GO!
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      04-19-2007, 08:46 PM   #14
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Can I just say thank you for posting a dyno and sound clips when you annouced this? Seriously, am I the only one sick of "omg lol e92 exhaust best ever BUY NOW!" posts, with NO fucking info.

So thank you.
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      04-19-2007, 08:50 PM   #15
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Now that I have that out of the way, I have a request and questions.

1) Can we get a startup and idle clip? It sounds like this has a deeper tone in first gear (dyno run sounded nice), I would like to hear startup and idle, and thoughts on the difference.

2) Will SPP be carrying this also?

3) Can we get 100mm (4") tips?

4) I take it this requires little to no welding. I don't mind welding, but bolt on is easier.

5) Please send to me now.
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      04-19-2007, 09:00 PM   #16
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Quote:
Originally Posted by NewhouseEnt View Post
I'm going to get flamed for this.... I think it sounds very ricey. I have heard about 4 Cat backs on the 335i's and they sound exactly like Accord rice buckets. JUST MY OPINION.

Ok, ignite flame throwers.... GO!
j/k. haha.

I believe Britalman was in search of an E90 335i for testing.
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      04-19-2007, 09:25 PM   #17
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Downpipes will likely be introduced sometime during Summer 2007.

If you have an E90 sedan and are interested, email info@britalman.com.
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      04-20-2007, 12:12 AM   #18
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Quote:
Originally Posted by picus View Post
Now that I have that out of the way, I have a request and questions.

1) Can we get a startup and idle clip? It sounds like this has a deeper tone in first gear (dyno run sounded nice), I would like to hear startup and idle, and thoughts on the difference.

2) Will SPP be carrying this also?

3) Can we get 100mm (4") tips?

4) I take it this requires little to no welding. I don't mind welding, but bolt on is easier.

5) Please send to me now.
From Britalman:

1. Start up and idle clip - Britalman will take when they test fit final production piece and install, hoping right before bimmerfest. Britalman will also provide pics of the actual production piece all polished and nice. Exactly how you will receive it out of the box.

2. SPP is definitely a stocking dealer.

3. No 4" tips for now. We find it looks too exaggerated, plus its right on the bumper almost, it can melt the bumper possibly, and turn bumper black more so easily, and especially if you really start modding your car later with aftermarket turbos and extensive tuning. If we get a huge amounts of requests, we can offer 4" tips.

4. Yes bolt on system. No need to cut factory system either.

5. Very soon we thank you for your patience.

One last thing. Britalman looking for a 335i sedan so it can compare what is different and make a version for that vehicle too.
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      04-20-2007, 01:51 AM   #19
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Quote:
Originally Posted by ksfrogman View Post

One last thing. Britalman looking for a 335i sedan so it can compare what is different and make a version for that vehicle too.

Thats awesome.

Every day, more and more exhaust systems are being released for the E90. Its making my decision harder and harder lol.
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      05-23-2007, 07:04 PM   #20
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Bump; news is this is getting close. Do we have pics?
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      05-23-2007, 10:39 PM   #21
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This actually sounds pretty nice. It's a shame that the price is so high... I'd actually consider it once the E90 version is ready. Oh well, back to my trusty Milltek.
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      05-24-2007, 01:44 AM   #22
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HP and TQ gains seem a little low
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