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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 > Dinan Free Flow Exhaust - Installed



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      05-18-2011, 07:34 PM   #1
BuraQ
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2011 BMW 335is  [3.03]
Dinan Free Flow Exhaust - Installed

Today I got the Dinan free flow exaust installed. The sound on this exhaust is so incredible it humbles my heart when I start the car. Its a more bold, mature, and aggressive sound from the stock exhaust.


Benefits:
  • reduces back presure
  • increases power out put (6 hp / 5 tq)
  • better sporty sound
  • reduces overall weight

Cost: $1,599 after a $299.99 discount. {Currently now selling the stock muffler exhaust open to offers}






I cant say off top if I noticed are difference in power out put. I was cruising around most of the time just enjoying the sound I will let the dyno this week determine that.

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RENNtech Tuning: 11.78 ET @ 116 Mph in 1/4 mile YouTube
Dinan Stage 3: 12.5 ET (Best) 111 Mph (Best) in 1/4 mile
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Last edited by BuraQ; 05-19-2011 at 07:50 PM.
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      05-18-2011, 07:40 PM   #2
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nice tips! glad that you liked it

looking forward for some videos!
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      05-18-2011, 07:47 PM   #3
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why Dinan over BMW performance?
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      05-18-2011, 07:58 PM   #4
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Quote:
Originally Posted by turkish335 View Post
why Dinan over BMW performance?
The sound on the Dinan FFE sounds alot better than the BMW performance exhaust and I believe better weight reduction also. In addition, I will be going with Dinan S3 flash that was developed to go with the Dinan FFE only and not the BMW performance.

The only thing I would get from the BMW performance is the bigger fan for the main radiator and the second rad if there is a way to get it to fit with the Dinan CAI.
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AP-V3 & Cobb Protuned by PTF: (New Times Coming Soon)
RENNtech Tuning: 11.78 ET @ 116 Mph in 1/4 mile YouTube
Dinan Stage 3: 12.5 ET (Best) 111 Mph (Best) in 1/4 mile
400+ launches, 3 Driveshafts, No DCT Slippage, Flash Only
"BMW DCT 335is" on Facebook
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      05-18-2011, 08:49 PM   #5
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This post is nothing without a sound clip. Come on man!
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      05-18-2011, 08:53 PM   #6
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This post is nothing without a sound clip. Come on man!
LMAO ! Ok I will get one done tomorrow in day light. I got the right camera for this
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AP-V3 & Cobb Protuned by PTF: (New Times Coming Soon)
RENNtech Tuning: 11.78 ET @ 116 Mph in 1/4 mile YouTube
Dinan Stage 3: 12.5 ET (Best) 111 Mph (Best) in 1/4 mile
400+ launches, 3 Driveshafts, No DCT Slippage, Flash Only
"BMW DCT 335is" on Facebook
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      05-19-2011, 07:51 PM   #7
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OP updated with Video. This was a cold start ie first time I am starting the car for day. Will have some drive by videos later
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AP-V3 & Cobb Protuned by PTF: (New Times Coming Soon)
RENNtech Tuning: 11.78 ET @ 116 Mph in 1/4 mile YouTube
Dinan Stage 3: 12.5 ET (Best) 111 Mph (Best) in 1/4 mile
400+ launches, 3 Driveshafts, No DCT Slippage, Flash Only
"BMW DCT 335is" on Facebook
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      05-19-2011, 07:58 PM   #8
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I like it! Not too crazy loud, just about right like bmw pe.
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      05-19-2011, 08:03 PM   #9
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That might be the best sounding exhaust for the N54 to date. And the price was spot on with your discount. I just wish the tips where a lil fatter, but that can be adjusted with $150. Nice exhaust.
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      07-22-2011, 12:38 PM   #10
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sick, need your stage 3 tune and IC badly, sounds sick man
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      07-22-2011, 12:49 PM   #11
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Quote:
Originally Posted by BuraQ View Post
The sound on the Dinan FFE sounds alot better than the BMW performance exhaust
I'd have to disagree.

The Dinan does sound good though and it's more "exclusive". Pretty cool to have the logo on the tips too Congrats on the new exhaust.
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      07-22-2011, 01:29 PM   #12
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Any problems running the Dinan exhaust system vs the OEM set up which included the tailpipe flapper?






Addendum - Just off the phone w/ Dinan. Answer is no, the software is programed to run w/o the extra back pressure.

Last edited by shortseller; 07-22-2011 at 01:46 PM.
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