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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 03-18-2013, 05:03 AM   #1
James811
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Join Date: Nov 2012
Location: Norfolk UK
Posts: 5
My Ride: 325ci M sport Vert
e46 325 exhaust question

Hey guys, as per title I have an e46 325 and am a little underwhelmed at the noise when above 3000 rpm ish, I am aware of the golf tee mod and tried it a minute ago but I dont have the flap in the exhaust it would appear (I am uk based if that makes a difference).

I would like a system like that which they make for the e92 m3 which stays quiet when on idle and at normal driving but when really going for it the flaps open up at let out an awesome sound at about 3500rpm.

Do you guys with all your infinite knowledge know of anything that may be good?

To summarise, something which sounds nice and quiet at idle (not like a chav can that rumbles like an aeroplane when sitting in traffic) but roars when you get up to the higher end of the rev range. Cabin drone is also a worry for me and I really dont want anything of such?

Thanks, James
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Old 03-18-2013, 10:15 AM   #2
lcoleman
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Join Date: Mar 2007
Location: the barnyard
Posts: 2,458
My Ride: '79 Massey Ferguson
I always recommend cutting the rearmost muffler off and welding glasspacks in its place. You can delete the small resonator as well, but I'd wait if you're concerned about loudness. Search "kpeng exhaust", there should be videos.

No flap on a 325.
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Old 03-25-2013, 10:10 PM   #3
trey30
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Join Date: Jun 2011
Location: San Antonio, Texas
Posts: 40
My Ride: 2004 330ci
Hey James811. I just had my Scorpion exhaust installed today!! Sounds more bassy. Not as loud as I thought. But I left the resonator in. It does exactly what you described - low noise on idle but when i get on it above 2500 RPMs i get a classy, solid, quality roar! Im loving it!!

I got the exhaust from BavAuto. It was on sale. And to be honest, a great buy! Being that Scorpion is an English company you might find a better deal there at home.
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