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The addition of the Cats/resonator should eliminate the drone.
never heard of glasspacks lol
I have the joez race exhaust (no cats) which sounds beautiful but does have some drone
i wonder if the joez performance exhaust (hi flow cats) has drone.
can anyone confirm?
My friend has a very loud exhaust and when he put's on the silencers, it makes a big difference.
It reduces the sound outside by a tad bit but inside drone was probably down by 80%.
Yup do the silencers. Back when I had the HKS hi power and invidia mid pipe, the silencers reduced the drone almost completely
There's a thread somewhere here about this
Using branched resonators
I'm thinking about doing this as well. I have the M2 with everything else is stock and there is indeed drone anywhere under 4k. I like the loudness outside the car as opposed to inside!