highlfow cats/resonator delete is complete

[Boone.Msi]

It sounds great! Not nearly as raspy as i thought it would be, nice deep tone at idle and a great purr through the gears. Opening it up you can start to really hear her once your past 2500rpm, theres a nice sweet spot at 3500rpm, after that i couldnt really hear a difference(too much wind.) Driving in economy mode you can barely tell a difference, absolutely no cabin noise difference.

I highly recomend magnaflow cats and a res. delete for all the 530i owners that were nervous about doing it. It is nowhere near load, it sounds the way the car is supposed to sound. I just moved into a new house, so il have to dig up my camera and record some sound and post some pics later...

[Macv]

dig up my camera and record some sound

good, will be waiting

[Boone.Msi]

heres the pics:


^thought these were nice




Gonna go record video with a friend in about an hour

[Boone.Msi]

From the rear

Not gonna be able to get any drive-bys today, but i Did get a couple crap quality cabin clips. It just shows that you can barely hear it, and no drone.


http://s121.photobucket.com/albums/o...haust-0001.flv
http://s121.photobucket.com/albums/o...haust-0002.flv
EDIT:
heres some with the windows down, again crappy quality, but you can hear it. Il get some better ones with a real camera later.
http://s121.photobucket.com/albums/o...haust-0003.flv
http://s121.photobucket.com/albums/o...haust-0004.flv (entertaining )

(parking lot is abandoned)

[bimerguycw]

Man, that sounds like what I want when I change my bad cats.

I just swapped my 530iA m60b30 with the m60b40 and found both my cats bad when removing them and will replace them with the 4.0L size parts.

So what MagnaFlow model/parts numbers did you use and how much for the custom magnaflow w. silencer removed?

Does this give a little more HP and REAL flow improvements? Do you plan to re-map the ECU for the improved flow?

[genphreak]

Sounds like what I thought when I first got mine, but then the exhuast bedded in and got louder. Why not use 2 magnaflows? It seems like using only one would be like halving the flow of the original big cats.

Have you been on a long drive yet? I never found out how bad my aftermarket resonator was until I had the mother in law in the back for a long drive, she HATED it... I thought it was okay, but it's a different story if all the noise is coming up through yo ass I guess...

[Boone.Msi]

its two seperate cats in one piece completely partitioned from each other. same size as the single' but with a universal 2" inlet/outlet. Flows the same as the singles.

Havent gone on a long trip yet, il plan one soon and stuff a couple friends back there

[Macv]

Nice pics, I'll watch the vids later.

[takumidrift30]

Very helpful input, I might need a new cat anytime soon for the automatic, been doing some search on good aftermarket cats. Nice pics and clean underchassis!