In April I received a ticket for my “obnoxious exhaust” to quote the statey that pulled me over. My exhaust is simply Magnaflow 14851 Mufflers and that is it, everything else is stock. But anyway if you want more details please read this thread…
http://www.audizine.com/forum/showthread.php?t=204650
Bottom line is I appealed it and my hearing is on the 26th of this mouth, I plan to show up very well prepared with pictures of where I got pulled over and plenty of points to state already written down. Now I wish I could just have some shady exhaust place write me up a receipt saying my mufflers were back to stock and be done with this, but I am not in with any shops that well, so I need to try other ways of beating this, my main tactic is to make the officer look like he does not know what he is talking about and is not qualified to make assessments on if cars are too loud or not.
What I would really like to do is have some real hard facts, I have an SPL meter and plan to measure the noise levels of my A4 at idle, revving outside the car, and cruising on the highway, ect. But what I need help with is finding the SPL noise figures for a bone stock 3.0 A4, actually a 1.8T would prob do fine too. Does anyone have an SPL meter to test their stock ride? Or better yet anyone have some old back issue of a car mag that reviewed the A4 and has these stats? I have tried searching online, but cannot find this info.
I really want to beat this thing, but it may be tough, because I guess MA has some lame law that states if you modify any part of your exhaust and it makes it louder than stock it is automatically illegal, but I hope to make some of these point to make the officer look like he has no right judging the loudness levels of exhaust systems and that this law needs to be rethought. Trying to get them down in my head before I show up…
- I bought the car with the system already installed, I did not have the mufflers installed myself, what about the many cars that come stock with louder mufflers than most cars on the road? Do you just ignore those, they are permitted to be loud since it came from the factory that way? Same with motorcycles, most are louder than any car I have ever heard.
- I just passed my current inspection, apparently the inspection garage did not think my car was too loud, it also passed emissions with ease, since the rest of the system (Cats, resonators, ect.) is still stock.
- A decibel limit that is something you can measure, similar to a light percent limit with tined windows, this you cannot and it leaves it totally up to the digression of the police officer at hand.
- Do you know how loud (in Decibels) an stock 2003 Audi A4 exhaust is at idle and under load?
- Do you know how loud (in Decibels) an Audi A4 with Magnaflow 14851 Mufflers is?
- Did my car sound obnoxiously loud when you were following my on the highway for a quarter mile before you pulled me over? You only heard it when I was in a low gear and the RPMs were high, which will make any car produce more noise than normal.
- The car was driven for two years with the exhaust system by the pervious owner (who happens to be my uncle) and he never had any issues with it, and it was driven for just about a year by me without issue.
- What makes you qualified to judge if an exhaust system is obnoxious or not?
- My car is my passion, I work very hard to afford an Audi at my age and I feel that I am being discriminated against simply because I enjoy modifying cars as a hobby.
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