BrianE39 0 Report post Posted November 18, 2009 hey everyone im a newbie lol just got my brother's E39 1999 528i Blue and wodering if i can cut off my rear muffler (still have resonator) n get a straight pipe is this legal in NZ or do i hav to get like fake BIG Bore n make it looks like it has a muffler in the back LOL??? any ideas guyz??? got some chip on youtube: n found some of other bmw forum talkin about this: http://forums.bimmerforums.com/forum/showt...d.php?t=1066928 Gotta luv the BMW straight 6 engine sound with straight pipe xD Quote Share this post Link to post Share on other sites
e30ftw 394 Report post Posted November 18, 2009 No way, It will be way to loud.. If you want $50 'loud exhaust' fines accompanied by 25 demerit points, Go ahead lol. Quote Share this post Link to post Share on other sites
e30plz 1 Report post Posted November 18, 2009 (edited) Also keen on a straight pipe, would imagine it is legal aslong as it is under the legal limit. Edit: Which as John said could be difficult.. lol. Edited November 18, 2009 by E30ONP Quote Share this post Link to post Share on other sites
e30ftw 394 Report post Posted November 18, 2009 Exactly, It's all about the noise restriction. They couldn't really care less what your exhaust is so long as it's sticking out the rear doing it's job. IMO it will be way to loud. Quote Share this post Link to post Share on other sites
e30plz 1 Report post Posted November 18, 2009 Unless.. Quote Share this post Link to post Share on other sites
|ncary 0 Report post Posted November 18, 2009 Need a massive oil cooler with huge braided lines to go with those! Quote Share this post Link to post Share on other sites
BrianE39 0 Report post Posted November 18, 2009 (edited) dam...i thought it would work lol whts legal limite ae?? like 90 db or something ?? but i heard about this on other bimmer forum that someone said it not gona be too load as it still has resonator in the back?? btw how about i change to the one on trademe 3" or 2" european style muffler?? will it be too load aswell?? Edited November 18, 2009 by BrianE39 Quote Share this post Link to post Share on other sites
e30ftw 394 Report post Posted November 18, 2009 dam...i thought it would work lol whts legal limite ae?? like 90 db or something ?? btw how about i change to the one on trademe 3" or 2" european style muffler?? will it be too load aswell?? Nah they aren't too loud, I have a trademe muffler it was quite abit louder than standard (Had to change mid section muffler to a bigger COBY), but it was probably just within the limits as VTNZ never hit me up about it at WOF's. Just whatever you do, don't get a fart cannon.. Quote Share this post Link to post Share on other sites
Andre3000 55 Report post Posted November 18, 2009 (edited) get something like this and mount it so you can have the appearance of a straight pipe, but not the illegal loudness. very cheap, i think if you call around some exhaust shops u'd find they're 80 or so dollars. Edited November 18, 2009 by André3000 Quote Share this post Link to post Share on other sites
laadeelaa 0 Report post Posted November 18, 2009 On an e39?!!! Are you nuts?! Quote Share this post Link to post Share on other sites
zenetti 0 Report post Posted November 18, 2009 i am going to say the complete opposite here. I cut off just the rear mufflers on my E38 735i and now it has a nice V8 burble. It is not too loud at all and everyone comments on how nice it sounds. I didn't want any performance gains just a nicer sound. I will try and get a pic of it up soon Quote Share this post Link to post Share on other sites
Apex 693 Report post Posted November 18, 2009 Would sound so cool..Automatic’s sound the best with big bores, so sporty. Drone-rrrah-drooone-rahhhh-droone.. Don’t do it. They are a nice quite car for a reason, leave the noise for the Japanese crowd. V8's are ok to be loud because they sound good. Quote Share this post Link to post Share on other sites
kingkarl 136 Report post Posted November 18, 2009 Would sound so cool..Automatic’s sound the best with big bores, so sporty. Drone-rrrah-drooone-rahhhh-droone.. Don’t do it. They are a nice quite car for a reason, leave the noise for the Japanese crowd. V8's are ok to be loud because they sound good. This. Quote Share this post Link to post Share on other sites
BrianE39 0 Report post Posted November 18, 2009 i might give a shot 4 straight pipe or the one Andrew said xD anyone know wht the legal limite noise db is?? btw does anyone know where to get this APLINA rear end cap with exhaust pipe out??(standard E39 is covered like E38 7 series) ALPINA rear bumper Standard E30 rear bumper Quote Share this post Link to post Share on other sites
Wom 0 Report post Posted November 18, 2009 95db I think it is Quote Share this post Link to post Share on other sites
c.robertson00 11 Report post Posted November 18, 2009 I might be wrong but i thought that engines need a certain amount of backpressure in the exhaust system so the engine functions at 100% Quote Share this post Link to post Share on other sites
bravo 34 Report post Posted November 18, 2009 Research back pressure on google to find out about all the myths. Quote Share this post Link to post Share on other sites
Apex 693 Report post Posted November 18, 2009 I might be wrong but i thought that engines need a certain amount of backpressure in the exhaust system so the engine functions at 100% Trying to remember but from what I can my 528i had an inlet into one muffler that had a u turn in it that went back out and around into the second outlet muffler, this was designed to keep noise at a minimum and create a larger travelling distance before exiting the system so yea, the car will run better with the stock rare mufflers.. either that or BMW are muppets and know nothing. A genuine Alpina kit is worth more than a 528i Maybe search E-Bay UK. Quote Share this post Link to post Share on other sites
Wom 0 Report post Posted November 18, 2009 wouldn't the DME just alter the fuel ratio accordingly? Quote Share this post Link to post Share on other sites
BrianE39 0 Report post Posted November 18, 2009 Trying to remember but from what I can my 528i had an inlet into one muffler that had a u turn in it that went back out and around into the second outlet muffler, this was designed to keep noise at a minimum and create a larger travelling distance before exiting the system so yea, the car will run better with the stock rare mufflers.. either that or BMW are muppets and know nothing. A genuine Alpina kit is worth more than a 528i Maybe search E-Bay UK. i found alpina front lip for like 150 NZD (of course is copy one LOL)nw im tryin to get Alpina rear end cap (the copy one aswell) just the end of bit on the bumper xD otherwise i will cut it my self to get my exhaust pipe out ^^ anyone know wht colour code or the name is this car cos my car is exactly same colour n everything like this car except i got the FAKE alpina spolier in da bk xD on trademe : http://www.trademe.co.nz/Trade-Me-Motors/C...n-243774089.htm i guess it kinda like Alpina Blue but dark a bit ..... Quote Share this post Link to post Share on other sites
Apex 693 Report post Posted November 18, 2009 This Colour?? Quote Share this post Link to post Share on other sites
BrianE39 0 Report post Posted November 19, 2009 (edited) This Colour?? likely bt not really?? lol slightly Darker??do yu have more photo wiv this car?? 100% sure is exactly like this one any one know the Name or Code of Colour?? will update my car photo ASAP Found another one on trademe: http://www.trademe.co.nz/Trade-Me-Motors/C...n-252669894.htm Edited November 19, 2009 by BrianE39 Quote Share this post Link to post Share on other sites
Apex 693 Report post Posted November 19, 2009 Should be on the strut tower in the Engin bay. Quote Share this post Link to post Share on other sites
AN E30 Fan 1 Report post Posted November 19, 2009 (edited) Ask HT. (username) that car you first posted is his car for sale I'm Pretty sure Edit: this one http://www.trademe.co.nz/Trade-Me-Motors/C...n-243774089.htm Edited November 19, 2009 by AJ-E30 Quote Share this post Link to post Share on other sites
KillerX 40 Report post Posted November 19, 2009 This might be relevant... http://www.bimmerboard.com/forums/posts/713809 Quote Share this post Link to post Share on other sites
