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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Better Throttle Response

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      09-10-2012, 09:13 AM   #23
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catless dp + second cat delete(replace by resonators) = best balance of sound and power
in my opinion
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      09-10-2012, 09:37 AM   #24
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an intake will also slightly improve throttle response
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      09-10-2012, 03:35 PM   #25
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If you have a manual, throttle response can be fixed with a lightweight flywheel. The stock one is ridiculously heavy
2011 335i sedan 6MT, JB4 w/FlexFuel wires, AA 4" DP, VRSF 7" FMIC, AA turbo-back exhaust, UUC DSSR+SSK, ER CP, BMS CDV, BMS OCC, Arkym CF trunk
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      09-10-2012, 03:51 PM   #26
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Originally Posted by tof289 View Post
catless dp + second cat delete(replace by resonators) = best balance of sound and power
in my opinion
Secondary cat delete is just on the midpipe, right?

Correct me if I'm wrong..

Is this it? Because I know one is on the downpipe (which I swapped out for catless DP) So, we started with four... I removed two... If these are the remaining two, then I can remove these to make..... zero!

The cats towards the top are only found on xi right?

#1 & #2


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      09-15-2012, 06:06 PM   #27
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What brand of DP do you all recommend? I have the BMW PPK installed on my N55, which made a HUGE difference in power, and I am thinking about getting the BMW performance exhaust as well. I have no clue which one to get, but was thinking about the BMS with the DP fix.
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