When i put the trick flow street intake on, the powerband increased heavily 2,000 rpm and higher and i lost a little bit of torque under 2,000 (which isn't what i'm concerned about  )
You can definately feel a difference with a better intake manifold, the engine used to start dying out 4500 and above and now pulls great to about the 5800-6000 rpm range.
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2005 Suzuki Hayabusa GSX1300-R
1980 Ford Thunderbird - 255 V8
ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain
hi-po Mack Truck hood emblem
1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc.
Sold 02/06/04 
1989 Mustang GT ET: 13.304@102.29 mph (5-24-03)
Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)
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