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





5.7L 350 chevy with two flowmaster super 44 true stright pipes duals
flowmaster super 44





sound of Flowmaster 10 single chamber on small block chevy
Got a new muffler. Here's the different sounds for your reference in case you're thinking about an Exhaust change. The truck: '85 GMC C10, 305, quadrajet, THM350 transmission. No catalytic converter. Here's the three different sounds. First one is the old muffler with dumps. Second one is straight pipes after I cut the old muffler off. Third one is the new Flowmaster 10 single chamber with dumps.




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