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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 > 335is perfect exhaust



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      11-10-2012, 01:47 AM   #1
BullowM3
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335is perfect exhaust

I love the exhaust note of my 335is, the blurp it makes when shifting and the tone is just awesome. However I am looking to go a little louder. I am afraid if i do catless downpipes it will be too loud and raspy (IS mufflers are already loud enough for most people). My second option is removing the secondary cats by either cutting them or by buying the borla racing pipes for the mid section. What do you guys think I should go with? If you have any exhaust clips of the 335is with downpipes or secondary cat delete that would be very appreciated,
Thanks!
P.S I had downpipes on my previous 335i and I loved it
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      11-10-2012, 12:41 PM   #2
bluescoupe
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Good question!
I also have catless downpipes from my previous 335i and thought they sounded great. I wanted to put them on my 335is and would like to hear what that would sound like in advance...or opinions of sound per the OP's question.
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      11-10-2012, 01:06 PM   #3
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I have AA catless dp on my IS with exhaust sound ferocious don't hesitate on it just do it.
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      11-10-2012, 01:09 PM   #4
Sara504
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Your car sounds amazing will . But go look at my YouTube page I've got all phuocs exhausts sound clips. He's done just about every exhaust and dp there is lol
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      11-10-2012, 01:33 PM   #5
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Quote:
Originally Posted by Sara504 View Post
Your car sounds amazing will . But go look at my YouTube page I've got all phuocs exhausts sound clips. He's done just about every exhaust and dp there is lol
Link??
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      11-10-2012, 08:33 PM   #6
BullowM3
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thx guys and sara i will take a look!
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      11-11-2012, 12:10 AM   #7
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Wtb your tips!
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      11-11-2012, 12:30 AM   #8
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I drive a 2010 E90 M 335i with BMS catless downpipes and the BMW PE. It's quiet when cruising but enjoyably loud the rest of the time. I love the sound and would highly suggest adding catless downpipes. If you like the exhaust note then you'll love the turbo spool from the DP's.
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      11-11-2012, 09:20 PM   #9
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I have AR catless on my IS and I am not a big fan as it is too raspy for me. I am hoping to get resonators installed soon. It is so loud right now when I start up in the morning.

BTW, I had AR in my previous 335i with stock exhaust and I loved it
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      11-11-2012, 09:22 PM   #10
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Go catless. If the rasp is too much for you, you can always upgrade from the OEM to Vibrant resonators and/or add a second set of resonators in place of the OEM Secondary Cats

Racing Pipes in the mid-section will probably create more drone than anything else.
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      11-11-2012, 09:48 PM   #11
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I have AR catless "resonated" dp coming soon for install. Hopefully this will eliminate raspy sound that some 335is user reported after installing catless dp.
I am also going to change midpipe cats to 200 cell metallic cats.
Rest of the system will stay stock.
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      11-11-2012, 09:53 PM   #12
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Id say is with secondary removed is about the same as i with downpipes.
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