I have Gintani Race exhaust on my M3 with a AA X-pipe Catless. You can not beat the sound. When ever I drive the car in any city I don't know, I do my best to try to keep the sound down at slow speeds like 25-35 mph. This is when the RPM's are low and the sound can cause some unwanted attention by cops mainly when you have to take off from a stop light. Keep the RPMs above 2500-3000 you will be ok anything lower could be problems. You will see what I mean when you have it installed
. Eveyone love the sound at High RPM's and when I go on road trips I do alot of car shows and events. If you are driving behind me on a caravan or road trip you better turn your radio up or off and enjoy the sound like one of my corvette friends like to. I love my Gintani Race because I like my exhaust sound loud
The race exhaust will drone but it don't bother me I just learned to deal with it and enjoy the awesome exhaust sound
. Congrats on your Gintani Race exhaust
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JZB,6MT, My mods 360 Forged 20inch wheels,VF650 Supercharger custom tuned,ARH Long Tube Headers,Hamann CF roof spoiler,H&R springs,CF grills,Hamann rear trunk spoiler,Hamann Side Skirts, ARKYM full CF bumper, Gintani Race exhaust, ARH X-pipe catless,RPI scoops,AA SSK, Arkym CF Double Sided Vented Hood,