How can I make it sound deeper without putting a whole exhaust system in? I heard if you do somethin with the flap it makes it sound deeper? How do you change or move the flap to get this sound?
Reasonated exhaust tips. = Have a metal panel on the inside with alot of small holes.
Make sure the tips are not too large, or you will get a "rice effect" …smaller diameter like 2 1/4 -3” is the most you should do. anything more makes your car subject to ridicule. As for an awsome Muffler switch without paying a ton of money, the "Raptor" By Flow Tech is a very cheap source of growl for your car. Just requires an adapter into the inlet side of the muffler. You would be out,maybe 45 bucks for installation and purchase if you get the Muff. from O’riely’s and have a respectable shop to do the work. FYI- All the high dollar exhaust systems are a waste of time unless you are doing it all for "show". There is no drastic improvements in power, just a name tag,and maybe a sound you like.
Be creative with your exhaust. It is a difinitave part of your personality going into the car. people tend to forget that these days.
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Exhaust Systems
bmw 330ci exhaust sound deeper?
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What is a good exhaust to buy for my 00 bmw 323 ci. Im looking for a deep powerfull sound, inexpensive if poss?
I dont want anything that sounds like a pissed off weed eater, just a smooth nice sound. Thanks for helping
Exhaust note is as personal as the smell of your cologne. Each person has a different preference to how he/she defines "powerful sound".
There’re a lot of choices in the market. Your best resource for these will be specialized BMW tuners such as Turner Motor Sports, Bavarian Auto Sports, Dinan, Active Autowerke, Hamann…etc
There are also popular brands such as Remus, AC Schnitzer, Borla, Apexi, HKS, GReddy…etc
Many BMW owners seem to like Borla as one of the more cost effective exhaust systems. But your choice could be completely different.
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Best Sounding/Performance Exhaust For BMW e46 330i?
Okay I’m buying a used BMW e46 330i (preferably with sport package) in the next two months and wondering which exhaust system would provide my car with the best exhaust note and performance .My budget is around $1200 and I favor clean, deep racecar tones, not the raspy, obnoxious ricer tones (if that makes sense). I live in San Diego and I’m not familiar at all with the cities emissions laws, but I probably need a system with catalytic converters (maybe high flow cats) and I’m not sure if resonators are needed. If anyone has had experience with BMW exhaust systems your response would be greatly appreciated. 
Some of the systems i have been looking at are: eisenman, remus, borla, AA, Supersprint, DINAN, and Rogue Engineering.
Thanks for your time!!
Yes very decent car,
For me in terms of performance/appearance/sound
-UUC
-Eisenman
-Borla
-Remus
Problem with some of the systems on a 6cyl is they sound a little buzzy, UUC tends to have deepest and most aggressive tone, with a little bark on downshift.
Best installation in my opinion would be full system – catbacks, leave stock cats in place.
All of these systems will be 50 state legal (catbacks).
In due course if you do a performance header installation will improve the complete system and set your car up for more power on the intake side if thats where you decide to go.
Youtube has sound clips, and that would be a good place to start perhaps.
regards
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