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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 > Question about SR pipes



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      12-13-2006, 10:56 PM   #1
ck1129
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Question about SR pipes

Are they only the back on bolt pipes that delete the post cats, or do they replace the resonator section aswell?
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      12-14-2006, 12:54 PM   #2
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they bolt right onto the downpipes from the engine.
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      12-14-2006, 02:49 PM   #3
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i know that, but do they put in there own resonator? or use the stock one?
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      12-14-2006, 05:58 PM   #4
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sr pipes i beleive if im not wrong, have a "performance" resonator on them....
y wat happened to ur resonator delete ck?
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      12-14-2006, 06:18 PM   #5
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yeah, the eisenmann sr pipes have their own resonator...
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      12-14-2006, 11:07 PM   #6
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thats what i was wondering. whats better though, no resonator or a performance one? Not ur avg 3, my resonator is gone, but i dunno if i wanna get SR pipes for future or not
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      12-14-2006, 11:37 PM   #7
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good question
thats wat i wanna know too
cuz if resonator delete on eisenmann is louder... i go wit that
if SR pipes wit eisenmann are louder... ill go wit that
plus isnt it just better to have the full catback system in general?
better air flow in general, and do SR pipes have any other benefit other than sound? i dunnno any performance gains? better throttle response? hell iono
but i wanna know soon, cuz i wanna get one of the two done
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      12-15-2006, 02:50 AM   #8
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The SR pipes will be louder than the eisenmann muffler without the stock resonator, weigh less than stock and provide a small power increase don't expect more than 2 or 3 hp and a few ft lbs of torque.
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      12-15-2006, 07:25 PM   #9
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Quote:
Originally Posted by AW330i
The SR pipes will be louder than the eisenmann muffler without the stock resonator, weigh less than stock and provide a small power increase don't expect more than 2 or 3 hp and a few ft lbs of torque.
thanks alot
exaclty wat i wanted to know
i know wit wat im going now
SR pipes are da shizznit
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      12-16-2006, 08:34 PM   #10
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So after the New York meet today it was decided - The SR Pipes sound better then just cutting out the resonators
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