S-Trim: How loud is it on the highway?

[quick89gt]

Well, as the time grows closer and closer to purchasing my blower, I was wondering how loud they are on the highway, or city driving around 30-50mph, or on the interstate at 65 or 70mph?? I know they have a mean sounding whine @ idle...but are they obnoxious on the highway? josh

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'89 GT, T-5,
Bored .030 Over, GT-40P heads, MAC 1 5/8" headers, MAC Off-Road H-Pipe, 2 1/2" Flowmasters, Edelbrock 65mm T.B., Trick Flow Intakes, Crane 2031 cam, 1.7 Roller Rockers, Keith Black hyp. flat top Pistons, Screamin' Deamon Coil, Champion Plugs, March Underdrive Pulleys, 255lph Fuel Pump, SVO Motorsport Clutch, Adjustable Fuel Pressure Regulator, Formula GP Suspension, MAC Upper & Lower Control Arms, FMS 3.73 Gears.
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