Flowmaster Super 44's True Duals

Loud and snappy. Its almost ear peircing when you stand behinde the truck. I love it. 1989 Scottsdale 305ci bored 30 over. (310ci) True Duals. No Cats Mild Cam Stock Manifolds. 700R4 (stock) flowmaster super 44 duals.

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Flowmaster Super 40 vs Super 44?
This is my Silverado. I am debating installing the Super 40's or the Super 44's. What do you think? The engine is a 86-95 350ci block, four bolt mains, roller cam. Bored .040" ZZ4 rotating assembly, Speed Pro H345NCP-40 pistons 10.7:1 static compression, .032" Quench/Squish height. Patriot 'Vortec' 185cc heads, 2.02"/1.6" valves, Beehive springs. Comp XR276HR-10 cam, 1.52 rockers. Air-Gap dual plane, 1" four hole tapered spacer, Mighty Demon 750cfm annular Boosters. MSD ignition, Summit dist dialed in for 36 degrees @ 3000rpm. 18 degrees initial. +12 vacuum advance on manifold vacuum.





Silverado true dual Super 44 Flowmasters Fly Bys
Heres how the truck sounds taking off, on the outside. '05 Silverado 2500HD gas 6.0L Vortec. stock manifolds Magnaflow Hi-Flow Cats 3" True Duals Flowmaster Super 44s 4"x12" Magnaflow rolled SS tips





glasspack vs flowmaster
this is a comparison of the two on an '87 firebird with a 305. the flowmaster has a harmonized sound because of the dual outlet so try to keep that in mind. unfortunately im stupid and dont know the brand of glasspack nor the series of muffler.





1990 Camaro rs 305 flowmaster 44
My Chevy Camaro with flwmaster 44 on it




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