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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > F30 335i downpipe
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      05-10-2012, 07:03 AM   #1
darmawaa
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F30 335i downpipe

Anyone make it?
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      05-14-2012, 12:11 PM   #2
GTM_Challenge
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We have it in development. Should be a month or so out.
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      05-23-2012, 09:28 AM   #3
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look on 1addicts. there's a downpipe available for the 535i f10, my guess is that it should carry over to the n55 on the f30. i think the name of the company is RSi
http://www.racespiritinspired.com/Pr...=RSiN55Catless
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      05-24-2012, 03:02 PM   #4
Mike@N54Tuning.com
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Evolution racewerks is working on some stuff as well for the N20, etc.

Mike
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      06-26-2012, 12:38 PM   #5
darmawaa
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Is it available now?
What is the power gain?
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      07-09-2012, 03:11 AM   #6
verbs
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Quote:
Originally Posted by bryce View Post
look on 1addicts. there's a downpipe available for the 535i f10, my guess is that it should carry over to the n55 on the f30. i think the name of the company is RSi
http://www.racespiritinspired.com/Pr...=RSiN55Catless
I'd question any company that suggests fixing the erratic action of the computer due to the downpipe with a piggyback Berger Juice Box. Sounds more like a bandaid to me?
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      09-06-2012, 07:43 PM   #7
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Our downpipe is ready. just waiting on production to ramp up right now
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      09-07-2012, 08:25 PM   #8
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Challenge F30 335 Dyno Results for our HFC Downpipe combined with our Sports Catback Exhaust. We finally had a chance to get our F30 335 on the dyno again Friday and saw some great results even with the stock ECU. The car put down peak TQ gains of 30 ft lbs. with a solid 20-25 ft lbs. gain across majority of the powerband. Horsepower gains were 20-23hp peak and between 12-20 hp gains across most of the powerband. This means great usable power and gains at every RPM.


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      09-10-2012, 05:23 PM   #9
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AR Design is modifying the E9X N55 design to fit the new F30. We will be carrying this once it comes out!


http://www.f30post.com/forums/showthread.php?t=664738
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