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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 > Need a muffler delete, but no shops are willing to do it. Is it illegal?



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      05-31-2008, 12:57 PM   #1
SolidSnake2634
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Need a muffler delete, but no shops are willing to do it. Is it illegal?

My friends and I went to 2 shops yesterday and they said they won't do a muffler delete for my friend.. At the first shop, the guy said,"if you have a brother or friend maybe they can do it for you,but i can't". it seems like he was implying that it was illegal or something. so is it illegal? is that why they wouldn't do it?
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      05-31-2008, 01:04 PM   #2
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Why would you want to delete your muffler? Your car will be insanely loud. If you want more noise, delete the resonator and/or delete the cats.

Everything is almost illegal here in California. If your exhaust is above 92 dB, the legal limit, it is no longer 'legal'. However people still do it, the majority of modified cars out there can get ticketed if the cops wanted to.

To answer your question...you didn't look hard enough. Some shops may not do it because they don't want to take liability of you telling the 5-0 when you get pulled over that their place did it. But there are A LOT of shops in SoCal that are willing to do so. Of course they would have to tell you that 'it's for off road use only'.
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      05-31-2008, 01:21 PM   #3
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oh. maybe cause we're 16 year old kids and we wouldn't look hard no matter what lol. my friend wantedt the muffler delete cause some person he knows suggested it to him. it's the guy that drives the louisvuitton e90 if you know him.
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      05-31-2008, 01:23 PM   #4
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correct me if I'm wrong but, I think any removal of your OEM cats are illegal..
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      05-31-2008, 01:24 PM   #5
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Quote:
Originally Posted by SolidSnake2634 View Post
My friends and I went to 2 shops yesterday and they said they won't do a muffler delete for my friend.. At the first shop, the guy said,"if you have a brother or friend maybe they can do it for you,but i can't". it seems like he was implying that it was illegal or something. so is it illegal? is that why they wouldn't do it?
Mr. Dibs,

Look up CVC 27151, 27150 and 27156 here:
http://www.leginfo.ca.gov/calaw.html

Also check out CHP bulletin #98-100.
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      05-31-2008, 01:30 PM   #6
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Quote:
Originally Posted by asdflkijd View Post
correct me if I'm wrong but, I think any removal of your OEM cats are illegal..
Yes that's why only 'catback' systems are legal..since you're not touching the cats, but rather what's on the 'back' of the cats. On most cars, there's only 1 cat and that's needed to oxidize exhaust fumes. It's a dead giveaway when you WOT a catless car and see brown smog coming out, lol.

What the OP is trying to do is remove the mufflers..which is WAYYY back of the cats on the E9x.



To the OP-you totally misunderstood me. When I said you didn't look hard enough, I didn't mean your physically features..that wouldn't even make any sense. I mean you didn't ask your friends about good exhaust shops, I'm willing to bet you just drove to 2 random muffler shops.
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      05-31-2008, 01:32 PM   #7
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ok.... loud exhaust on cars is illegal right?
Well WTF is it ok for pipes on motorcycles such as Harleys to be loud enough to shatter my fucking windows?
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      05-31-2008, 01:34 PM   #8
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Quote:
Originally Posted by SolidSnake2634 View Post
oh. maybe cause we're 16 year old kids and we wouldn't look hard no matter what lol. my friend wantedt the muffler delete cause some person he knows suggested it to him. it's the guy that drives the louisvuitton e90 if you know him.
Man I'm willing to bet it's going to sound like ass. BTW man, be a good friend and tell your homie to take off the "LV" interior trim and decal, people in riced out Scions are laughing at him...and that's definitely not a good look.

PS..he does know that this rectangular piece is the muffler, right? So if he deletes this thing, all he will have is just pipes running straight up. If he does this, I give it a months top before he gets sent to the ref station.
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      05-31-2008, 01:35 PM   #9
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Quote:
Originally Posted by xPaulBaiLeyx View Post
ok.... loud exhaust on cars is illegal right?
Well WTF is it ok for pipes on motorcycles such as Harleys to be loud enough to shatter my fucking windows?
Different legal dB limits for cars and bikes.

Same as the exempt for cars older than 19xx. I believe it's 1960ish since they're considered classic cars.

That's what I love about my car now..I don't ever have to worry about getting rolled. I can pass by mobile smog stations all day long and not have to bust a bitch like I did in my old car.
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      05-31-2008, 01:40 PM   #10
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^Well that shit is ridiculous!
I hate the sound of those obnoxious bikes!
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      05-31-2008, 01:41 PM   #11
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Quote:
Originally Posted by wj4 View Post
Yes that's why only 'catback' systems are legal..since you're not touching the cats, but rather what's on the 'back' of the cats. On most cars, there's only 1 cat and that's needed to oxidize exhaust fumes. It's a dead giveaway when you WOT a catless car and see brown smog coming out, lol.

What the OP is trying to do is remove the mufflers..which is WAYYY back of the cats on the E9x.



To the OP-you totally misunderstood me. When I said you didn't look hard enough, I didn't mean your physically features..that wouldn't even make any sense. I mean you didn't ask your friends about good exhaust shops, I'm willing to bet you just drove to 2 random muffler shops.
LOL. hahhaha, yeah, there's not that many muffler shops around here, so we just went to 2 places down the street from school
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      05-31-2008, 01:42 PM   #12
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Quote:
Originally Posted by wj4 View Post
Man I'm willing to bet it's going to sound like ass. BTW man, be a good friend and tell your homie to take off the "LV" interior trim and decal, people in riced out Scions are laughing at him...and that's definitely not a good look.

PS..he does know that this rectangular piece is the muffler, right? So if he deletes this thing, all he will have is just pipes running straight up. If he does this, I give it a months top before he gets sent to the ref station.
lol. my friend's not the guy with the lv interior trim. i was saying the guy that suggested the muffler delete to my friend was the guy with the lv e90 lol.
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      05-31-2008, 01:44 PM   #13
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about the ikon muffler, i was in the group buy from **********s a while back for the ikon muffler, but my friend just backed out of it so he ended up not getting the ikon.
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      05-31-2008, 01:52 PM   #14
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Quote:
Originally Posted by xPaulBaiLeyx View Post
^Well that shit is ridiculous!
I hate the sound of those obnoxious bikes!
When was the last time you heard a quiet bike? Even crotch rockets are loud.
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      05-31-2008, 02:00 PM   #15
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^I Know!!! That's what i'm saying.
They even have aftermarket exhaust that are insanely loud.
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      05-31-2008, 02:21 PM   #16
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Quote:
Originally Posted by wj4 View Post
Man I'm willing to bet it's going to sound like ass. BTW man, be a good friend and tell your homie to take off the "LV" interior trim and decal, people in riced out Scions are laughing at him...and that's definitely not a good look.

PS..he does know that this rectangular piece is the muffler, right? So if he deletes this thing, all he will have is just pipes running straight up. If he does this, I give it a months top before he gets sent to the ref station.
yeah he wanted straight pipes lol. whats the ref station?
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      05-31-2008, 02:28 PM   #17
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Quote:
Originally Posted by SolidSnake2634 View Post
oh. maybe cause we're 16 year old kids and we wouldn't look hard no matter what lol. my friend wantedt the muffler delete cause some person he knows suggested it to him. it's the guy that drives the louisvuitton e90 if you know him.
haha. that's funny.. you totally misinterpreted his comment about looking hard.. that's hilarious...

judging by your avatar... it seems you do make an effort to look "hard" which is why I'm guessing you misinterpreted it. "lieutenant vato?" are you hispanic? you are from Arcadia... which means you are most likely asian.. what's up with the Vato? Vatos Locos -4- EVER!
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      05-31-2008, 02:49 PM   #18
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Quote:
Originally Posted by SolidSnake2634 View Post
yeah he wanted straight pipes lol. whats the ref station?
He's not going to have straight pipes unless it's straight all the way from the exhaust manifold. That means deleting all cats and resonators.

The ref station is where you get sent to when you get rolled by the 5-0 or CHP. They put your car on a lift to see if it's stock or not. It's not common with the E9x..but very common with other lower cost cars, mainly Japanese cars.
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      05-31-2008, 02:57 PM   #19
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Quote:
Originally Posted by rdsport323 View Post
haha. that's funny.. you totally misinterpreted his comment about looking hard.. that's hilarious...

judging by your avatar... it seems you do make an effort to look "hard" which is why I'm guessing you misinterpreted it. "lieutenant vato?" are you hispanic? you are from Arcadia... which means you are most likely asian.. what's up with the Vato? Vatos Locos -4- EVER!
LOL. no im chinese :/uh nahh, cause people my age use that word a lot. for example,"he thinks hes so gangster, looking all hard and shit". the vato look, we got it from justkiddingfilms. look them up on youtube. throw up the bird homes. lmao
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      05-31-2008, 02:57 PM   #20
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Quote:
Originally Posted by wj4 View Post
He's not going to have straight pipes unless it's straight all the way from the exhaust manifold. That means deleting all cats and resonators.

The ref station is where you get sent to when you get rolled by the 5-0 or CHP. They put your car on a lift to see if it's stock or not. It's not common with the E9x..but very common with other lower cost cars, mainly Japanese cars.
ohh. yeah. i know. he wanted straight pipes but i told him to keep the cats and resonators.
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      05-31-2008, 03:22 PM   #21
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It will take a while to bend the pipes. You cant just fit a striaght pipe in there. I have it done on my e92
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      05-31-2008, 03:49 PM   #22
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Quote:
Originally Posted by xPaulBaiLeyx View Post
ok.... loud exhaust on cars is illegal right?
Well WTF is it ok for pipes on motorcycles such as Harleys to be loud enough to shatter my fucking windows?
Because sound is one of the things that helps motorcylists get noticed, same reason why bikes are allowed to drive with their highbeams on, it helps you notice them. When you notice them, the less likely you are to kill them.
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