True Duals vs. SI/DO Flowmaster 40s
#1
06-06-2001, 09:17 PM
Join Date: May 2001
Location: Portland, Oregon, USA
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True Duals vs. SI/DO Flowmaster 40s
#2
06-08-2001, 10:57 AM
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Join Date: Oct 1999
Location: Toronto Ontario, Canada
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Yes, I've lost some on the low end, but gained some (or at least it feels that way) at higher speed and RPM's. Keep in mind that mine are true duals, so it would be DI/DO.
My friend has teh SI/DO on his and claims and increase in low end, but is pissed at the volume (not even close to mine)
Hope this helps....
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Black 98 F150-XL, 2WD, 4.6L Slappin Windsor Triton, 5spd.,
RegCab, Short WB, 3.08 rear, Air, Rear Slider, FM40 True Duals
Triton V8 Badges, Duraliner Bedliner, K&N, Ziebart, Castrol Syntec
HAWK Plus Bedcap, profile+ wrap-around bug deflector,
Blazer Neon-Blue projector fogs, custom look'n door cracks
Tinting: #4 RearCab & Bedcap Windows, #2 Cabside Windows
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My friend has teh SI/DO on his and claims and increase in low end, but is pissed at the volume (not even close to mine)
Hope this helps....
------------------
Black 98 F150-XL, 2WD, 4.6L Slappin Windsor Triton, 5spd.,
RegCab, Short WB, 3.08 rear, Air, Rear Slider, FM40 True Duals
Triton V8 Badges, Duraliner Bedliner, K&N, Ziebart, Castrol Syntec
HAWK Plus Bedcap, profile+ wrap-around bug deflector,
Blazer Neon-Blue projector fogs, custom look'n door cracks
Tinting: #4 RearCab & Bedcap Windows, #2 Cabside Windows
My Site