Megan racing exhaust with primary cat delete

[Black Gold]

Does anyone have a vid of this?

I am about to purchase an e90 m3 and love the sound of the Megan catback. I also want to either remove the primary cats or weld in some 100-200 cell cats in their place for the added performance gains when coupled with a tune.

I am just worried the car may sound raspy/super loud if I do this.

I'd plan on running the stock x pipe with this setup.

Thanks, any thoughts or videos would be great!

[flipm3]

WOOT! E90 M3 FTW!!!!

i'm not sure if you stumbled upon this thread, but there are a few videos in this thread. i'm not sure how clear the audio is, but it may be of help.

http://www.m3post.com/forums/showthr...ighlight=megan

[BIGW0RM]

I got the megan... its pretty darn loud with stock xpipe. Sounds real nice, but DRONES LIKE A MO FOO! I find myself avoiding 5th 6th and 7th alot now. Unless your on the GAS 24/7, the drone will get old REAL soon....

My city MPG went from 15.1 to 13.2 now because I don't like 6th or 7th at all because of the drone.

[Black Gold]

Originally Posted by ILSMKU

I got the megan... its pretty darn loud with stock xpipe. Sounds real nice, but DRONES LIKE A MO FOO! I find myself avoiding 5th 6th and 7th alot now. Unless your on the GAS 24/7, the drone will get old REAL soon....

My city MPG went from 15.1 to 13.2 now because I don't like 6th or 7th at all because of the drone.

:facepalm:

damn it. what is the quietest exhaust you can buy?

Id prefer not to have to add an axel back, but will be removing the primary cats and want the car to sound good and not high pitched and raspy

[flipm3]

I actually really like the sound of a completely catless XPipe with the OEM Muffler. Sometime in the future, I hope to be able to squeeze in the Evolve X Pipe while retaining the OEM muffler.

Here's several videos I found on the forums and on YouTube of an OEM Muffler with various XPipes:

Akrapovic X Pipe w/ OEM Muffler

MXP X Pipe w/ OEM Muffler

Gintani X Pipe w/ OEM Muffler

[rockd]

Originally Posted by ILSMKU

I got the megan... its pretty darn loud with stock xpipe. Sounds real nice, but DRONES LIKE A MO FOO! I find myself avoiding 5th 6th and 7th alot now. Unless your on the GAS 24/7, the drone will get old REAL soon....

My city MPG went from 15.1 to 13.2 now because I don't like 6th or 7th at all because of the drone.

For what it's worth, I had the Agency Power axle-back (Megan is a replica of the AP exhaust), and there was absolutely no drone whatsoever.

[BIGW0RM]

Originally Posted by KennyPowers

:facepalm:

damn it. what is the quietest exhaust you can buy?

Id prefer not to have to add an axel back, but will be removing the primary cats and want the car to sound good and not high pitched and raspy

Its not THAT loud. But it does have a very DEEP sound to it. I mean, sound wise, its very nice.

Originally Posted by rockd

For what it's worth, I had the Agency Power axle-back (Megan is a replica of the AP exhaust), and there was absolutely no drone whatsoever.

Im sorry man, but I know the people at Megan and the AP, which they dont even offer anymore was a MEGAN exhaust with there name on it. Not the other way arround.

Unless AP added a x pipe replacement (megan is muffler only), it droned just the same. Which you would and should expect from a 500 dollar exhaust. Its mentioned on this forum as well.

For 500 bucks, you can deal with it. But as time goes on, those 3k exhausts are starting to seem reasonable now.

[menomo]

this guy did it..

Originally Posted by saeedg48

Last Tuesday I had a chance to do a primary catdelete.

After all the research and experimenting with aftermarket xpipes i decided that it wasn't the route that I wanted to stick with.
I ran a catless and non-resonated fabspeed xpipe and honestly i didn't feel any gains. I opened a thread a few weeks ago in regards to this topic; primary catdelete gains vs. secondary catdelete gains simply too loud for no reason. I don't want to make my 80k m3 sound like a civic while I'm going from 1st to 2nd haha. with my new setup it's quiet and classy but when i get on the throttle it completely opens up and is ready for action!

My new & current exhaust setup;

[primary catdelete (test pipes)] + [stock xpipe] + [megan racing exhaust]

After deleting my primary cats it sounded glorious a very bassi and smooth sound. hard to describe what it sounded like.

Imagine stock but more bass and more exotic
First stop after the primary catdelete; powerchip!

Before updating my tune i noticed that it felt normal from 2,000 rpms to 5,000 rpms then pulled really really hard up top.
After 60 miles of driving i already knew that with an updated tune i would for sure see more gains.

I called powerchip in costa mesa and they were more than happy to take my car in and load a tune that was adjusted for an m3 with a primary catdelete.
in fact they loaded mike benvos exact dyno file into my car. which cranked out 411hp on the dyno! 411 wheel hp.. (411*1.16) = 476.76 crank hp.. after loading the tune it pulled soo freaking hard! i never thought i'd feel this kind of power out of a naturally aspirated m3. so much smoother across the power band.
Finally three years of ownership and i feel some major power gains.

Shout out to Matt @Powerchip - Thanks for hooking it up once again
(949) 646-1026

For all those who are debating exhausts.. just do a primary catdelete and tune. trust me the power gains are there. it felt sooo torquey after i left the tuner, and the best part; no check engine light. i won't ever go back to stock. i love my new setup. if anyone has a vbox i can borrow to get some numbers down for the forums please pm me..

Cheers.

Videos recorded on the iPhone 3G(S)

[Templar]

Removing any of the cats is going to increase the sound a lot. Going full catless will make it nice and loud.

If you're going for quiet, keep the cats and just put a slip on exhaust on. It won't be as loud, but you can still enjoy some sound. I think a lot of people like the Akra slip on for this reason. It's got a nice sound when you're on it, but is pretty quiet when you're not. It is expensive though...

I'm waiting for my Gintani sport to come in. Once it does I will post it up and show the differences from OEM. I am not getting any x-pipes (yet), but will probably go with some HFC's soon.

[rockd]

Originally Posted by ILSMKU

Im sorry man, but I know the people at Megan and the AP, which they dont even offer anymore was a MEGAN exhaust with there name on it. Not the other way arround.

Unless AP added a x pipe replacement (megan is muffler only), it droned just the same. Which you would and should expect from a 500 dollar exhaust. Its mentioned on this forum as well.

For 500 bucks, you can deal with it. But as time goes on, those 3k exhausts are starting to seem reasonable now.

More false information being spread on this forum.

I'm not affiliated with AP in any way, but I know for a fact that the Agency Power exhaust was out way before the Megan. Megan took their exhaust and replicated it. That's plain as night and day.

Trust me, man, I have had way more exhaust setups than you. I've tried them all. The Agency Power does not drone. /end

[Black Gold]

Thanks guys. What about something like the fabspeed hcf/x pipe combo with stock exhaust?

[BIGW0RM]

Originally Posted by rockd

More false information being spread on this forum.

I'm not affiliated with AP in any way, but I know for a fact that the Agency Power exhaust was out way before the Megan. Megan took their exhaust and replicated it. That's plain as night and day.

Trust me, man, I have had way more exhaust setups than you. I've tried them all. The Agency Power does not drone. /end

Actually we are both wrong. The exhausts are made by a 3rd party company out of Taiwan. Same exhaust, different stamped tips.

Its basically an ebay exhaust.

[Dave07997S]

I have this setup and my drone is minimal at 2200rpm. I guess I am just used to 5.0L Mustangs with some Flowmasters, but in all seriousness the drone isn't that bad.

I would buy this exhaust in a heartbeat again, I am thoroughly impressed for the money spent, so far..(my disclaimer!)

Dave

[w00tw00t]

Megan drones like crazy - I hated it ... sold it in two days and bought an Akra Evo instead ... Love the Akra!!!!

[BIGW0RM]

Originally Posted by w00tw00t

Megan drones like crazy - I hated it ... sold it in two days and bought an Akra Evo instead ... Love the Akra!!!!

Thats where Im headed. Looking at that, or the AA exhaust. To hell with this drone.

[Ateam]

AA drones A LOT and so does eisennman, remus, gintani and most others except bmw, dinan and akra. So price does not always mean there is no drone

[BIGW0RM]

Originally Posted by Ateam

AA drones A LOT and so does eisennman, remus, gintani and most others except bmw, dinan and akra. So price does not always mean there is no drone

Good to know! Thanks for the tip.

[Dave07997S]

Once again..my megan exhaust with turner testpipes does not drone that bad. Just a tad at 2200rpm..I am hardly ever at that low of an rpm. At 80mph in 6th gear I am running just at 3krpm..there is no drone here.

Dave

[BIGW0RM]

Originally Posted by Dave07997S

Once again..my megan exhaust with turner testpipes does not drone that bad. Just a tad at 2200rpm..I am hardly ever at that low of an rpm. At 80mph in 6th gear I am running just at 3krpm..there is no drone here.

Dave

Then those test pipes are changing something. Because with the stock x pipe, I have drone in 5th, 6th and 7th unless Im rolling downhill. Anything under 3k for me sounds like consistence drone in the cab. Like a hmmm sound that just never goes away unless Im off gas or in high rpm.

[Dave07997S]

Originally Posted by ILSMKU

Then those test pipes are changing something. Because with the stock x pipe, I have drone in 5th, 6th and 7th unless Im rolling downhill. Anything under 3k for me sounds like consistence drone in the cab. Like a hmmm sound that just never goes away unless Im off gas or in high rpm.

I have the Turner Test Pipes with the remainder of the xpipe being the OEM piping. What you are describing sounds just the way the exhaust sounds. You will hear a tone, but it isn't probably drone. Most drone occures in the 2200rpm range for all brands of mufflers.

Dave

[Black Gold]

Hmmm, I guess I need to search around for more clips.

Ideally I'd like to go with turner test pipes and maintain a clean, relatively mellow exhaust note. Doesn't sound like that's in the cards on this car.....

[L4ces]

Take this into account. Obviously, the sound from the rear and in cabin are totally different. With a catless x pipe, the in cabin sound may be very farty and civic sounding but from the rear it may sound awesome and raw. In that you will only experience the farty civic sound.