I would agree with all above......but it looks like I'm the only one posting so far running without the mid-pipe and there is absolutely no drone what so ever. Like you, I too am on the freeway for at least half of my daily commute and the sound is pure butter baby
. As previously stated you must be extra sensitive to some frequencies or you have a bad exhaust............Phil
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2016 GT4.....Sapphire Blue Metallic, Platinum stitch Leather/Alcantara interior, Carbon Fiber Trim, PCM w/Nav, Guards Red Belts, 2 Zone Climate, Sport Chrono, LWB, Smokers Pack, Big Gas Tank, Light Design Pack, Bi-Xenon w/PDL, Auto Dim Mirror, Clear Side Markers, GTS Clear Taillights