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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 > Top Speed Exhaust INSTALLED! *sound clip inside*



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      04-09-2010, 01:43 PM   #45
pits200
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Quote:
Originally Posted by balance View Post
lol its called Napoleonic complex. i guess history class was useful after all
and i am in no way insulted. i really couldn't care less what people think about my car
You are correct, but what does Napolean Dynamite have to do with history class??
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      04-09-2010, 01:59 PM   #46
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Originally Posted by pits200 View Post
You are correct, but what does Napolean Dynamite have to do with history class??
damn you never took history???
lol, Napoleon the dude that made France powerful
i remember reading that he was a really short guy so he made up for it by acting tough
so now when there's people that are short and act tough they're known to have a Napoleonic complex

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Sounds and looks great man, congrats.

As posted earlier, THROW ON SOME D's (DPs) on that
werd. thanks
i will one day after i finish up in the cosmetic section..
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      04-09-2010, 02:33 PM   #47
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Quote:
Originally Posted by balance View Post
damn you never took history???
lol, Napoleon the dude that made France powerful
i remember reading that he was a really short guy so he made up for it by acting tough
so now when there's people that are short and act tough they're known to have a Napoleonic complex
Ha, I know, I was just teasing.
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      04-10-2010, 10:18 AM   #48
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Mine is already installed . very nice melody
Ive done some videos but while driving back home after work ..so Music is a must ..



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      04-10-2010, 12:57 PM   #49
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sounds great. i wonder how this would sound with 3" DPs
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      04-10-2010, 01:35 PM   #50
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I have the catless DP 2.5" already but i don't know when i'm gonna install it as I use the car for daily drive ..it's gonna be really loud i guess ..
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      04-10-2010, 01:50 PM   #51
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hate to go off topic, but i've been looking for direct comparisons between the 3" and 2.5" DPs. did you find them negligible? or did you just go with 2.5" on a whim?
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      04-10-2010, 01:55 PM   #52
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Honestly speaking , 1000 of examples I can mention that shouldn't be any performance difference between the 3" and 2.5" .. since both have 2.5" inlet and outlet ..

I might be mistaken about this .. but do you think even if it's 9" .. once the air flow out of the 2.5" outlet .. will come out faster that 2.5" DP with 2.5" outlet ...

again I might be mistaken ... and hope some one correct me ...

Ooops ..it is off topic .
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      04-10-2010, 02:12 PM   #53
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Quote:
Originally Posted by ehssan_alkhiyami View Post
Honestly speaking , 1000 of examples I can mention that shouldn't be any performance difference between the 3" and 2.5" .. since both have 2.5" inlet and outlet ..

I might be mistaken about this .. but do you think even if it's 9" .. once the air flow out of the 2.5" outlet .. will come out faster that 2.5" DP with 2.5" outlet ...

again I might be mistaken ... and hope some one correct me ...

Ooops ..it is off topic .
there have been proven gains of about 10-15 hp i think mr. 5 did the comparison..
but i understand your logic
this is exactly what i thought also
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      04-10-2010, 02:18 PM   #54
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Here's the Mr. 5 comparison between 2.5" and 3" DP's as balance just mentioned:
http://www.e90post.com/forums/showthread.php?t=316974
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      04-10-2010, 02:31 PM   #55
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Quote:
Originally Posted by balance View Post
there have been proven gains of about 10-15 hp i think mr. 5 did the comparison..
but i understand your logic
this is exactly what i thought also
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      04-11-2010, 12:42 PM   #56
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Quote:
Originally Posted by shoes View Post
Here's the Mr. 5 comparison between 2.5" and 3" DP's as balance just mentioned:
http://www.e90post.com/forums/showthread.php?t=316974
this is exactly what i was looking for! thanks!

looks like 3" reduced to 2.5" is the way to go.
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      04-11-2010, 12:47 PM   #57
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sounds good man
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      05-21-2010, 10:20 PM   #58
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I'm not sure if the Topspeed is a replica of a Britalman. The exhaust really looks like a HKS replica especially with the H pipe and w/o the titanium tips. Heck for a fraction of the price and no leaks... power to the manufacturer.
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