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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 > Fully Catless No mufflers review.



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      06-20-2012, 02:15 PM   #1
beemerboy305
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Fully Catless No mufflers review.

Cost: 140$ total.

Mufflers sound good but just as expected there is plenty of drone not alot tho nothing you cant handle i can stil hear the music and have a convo in the car..

MODS: JB4(map5w/e85 50/50) ,,,, Active 3" Downpipes ,,,, No Muffler No Cats only Stock oem hpipe ,,,, Big Tom Intercooler setup ,,,, BMS DCI.

http://imageshack.us/photo/my-images...b9be409df.png/


SORRY FOR SHITTY QUALITY YOUTUBE SUCKS UPLOADing ON IPHONE!



EXHAUST CATLESS - NO MUFFLER w/ 2x RES AA DOWNPIPE 4" TIPS




Last edited by beemerboy305; 07-03-2012 at 05:13 PM..
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      06-20-2012, 02:31 PM   #2
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damn. definitely loud... haha

what did you replace the secondary cats with?

when you say OEM resonator, you have the e90 exhaust?


edit: nvm, saw your album.... you actually have the e92 H-Pipe and not a stock resonator.


surprised you dont have a rasp after you straight piped the secondary cats.... what tune/DP's are you running?

drive by video at WOT would be nice =]
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      06-20-2012, 02:35 PM   #3
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throw some vibrant resonators on there it will sound great
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      06-20-2012, 02:40 PM   #4
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Quote:
Originally Posted by CPWINCH View Post
throw some vibrant resonators on there it will sound great
honestly it doesn't even sound bad here... which is why I'm shocked haha I thought without a resonator in the secondary cat position you'd get some bad rasp...


still need more drive-by videos to further evaluate though
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      06-20-2012, 03:04 PM   #5
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Quote:
Originally Posted by AU335i View Post
honestly it doesn't even sound bad here... which is why I'm shocked haha I thought without a resonator in the secondary cat position you'd get some bad rasp...


still need more drive-by videos to further evaluate though
it actually sounds good. but this is on an iphone and i dont think he revved past 4.5 rpm. The resonators will give it a cleaner sounds all around
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      06-20-2012, 03:51 PM   #6
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rev was around 4200.. where can i buy vibrant res ill buy 2.. i was thinking the ar25s ??
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      06-20-2012, 04:17 PM   #7
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http://www.ebay.com/itm/Vibrant-1792...77d40a&vxp=mtr
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      06-20-2012, 04:50 PM   #8
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I actually like the muffler delete on our N54's, sounds like a mean V8. I'm definitely considering to going this route some time later on after I sell my Harman Motive exhaust.
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      06-20-2012, 05:33 PM   #9
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idk if i should get vibrant or TEC exhaust res.. http://www.ebay.com/itm/TEC-exhaust-...dd78b0&vxp=mtr
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      06-20-2012, 05:40 PM   #10
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do u get a lot of fumes in your car after the cat delete?
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      06-21-2012, 12:39 AM   #11
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sounds just lie my car...


LOVE IT!!!!!!
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      06-21-2012, 06:31 AM   #12
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I've always wondered what a straight through exhaust would sound like when the flapper is retained. Seems like drone would be minimal?
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      06-21-2012, 03:10 PM   #13
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I've always wondered what a straight through exhaust would sound like when the flapper is retained. Seems like drone would be minimal?


there is drone but im gonna add some res pipes
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      06-21-2012, 08:43 PM   #14
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Who did your exhaust work and is it mandrel bent? NOT crush bent
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      06-21-2012, 09:00 PM   #15
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local shop i know owner
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      06-26-2012, 11:41 PM   #16
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ttt friday 2x vibrant res come in
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      06-27-2012, 08:18 AM   #17
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I have catless DPs, muffler delete, but retained the 2nd cats and resonator. I love it! It's slightly deeper in tone than yours, especially on start up (even more on cold start). Drone isn't too bad, considering I used to own a Chevy Trailblazer w/a Magnaflow muffler - so soothing. Yours sounds great during high revs and idle. I love the gurgle (I can't stop making mine gurgle...even though it's wasting gas).

However, I recently removed my tune for an upgrade and I swear the drone has gotten louder - just shy of annoying. Can't wait to get my upgrade back. I often turn off the radio and listen to the tunes coming out of the car.
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      06-27-2012, 02:15 PM   #18
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Quote:
Originally Posted by GRLPWR View Post
I have catless DPs, muffler delete, but retained the 2nd cats and resonator. I love it! It's slightly deeper in tone than yours, especially on start up (even more on cold start). Drone isn't too bad, considering I used to own a Chevy Trailblazer w/a Magnaflow muffler - so soothing. Yours sounds great during high revs and idle. I love the gurgle (I can't stop making mine gurgle...even though it's wasting gas).

However, I recently removed my tune for an upgrade and I swear the drone has gotten louder - just shy of annoying. Can't wait to get my upgrade back. I often turn off the radio and listen to the tunes coming out of the car.

OHHHHH MANNN
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      06-27-2012, 02:37 PM   #19
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Quote:
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ttt friday 2x vibrant res come in
what model? where did you buy it from? link?
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      06-27-2012, 04:01 PM   #20
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sounds mean, i like it.
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      06-27-2012, 04:56 PM   #21
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what model? where did you buy it from? link?

had 2 on ebay for 77 shipped
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      06-30-2012, 11:41 PM   #22
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Sounds good
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