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1998 silverado z71 flowmasters (use headphones for best sou
This is my z71 just washed. I am not sure what series flowmasters it has, but I believe they are three chamber. Maybe 40 series. Comment and let me know what you think of the sound and my truck.

Diagnose bad fuel pressure regulator on CBR954rr
CBR954rr was running rich, poor running at low RPM, smelled like gas. Turns out it is a bad fuel pressure regulator.

Flowmaster 60 Series on 5.7 V8 Silverado
1997 Chevy Silverado, 2WD Auto Trans, Vortec 5.7 swap with Vortec 5.0 factory Exhaust system, Flowmaster 60 (NOT A TYPO) Side dump with Summit Racing 4 inch rolled tip. 411 PCM swap thanks to Lextech. Note: For those who dont know this the 5.0 and 5.7 trucks use a different Exhaust setup since the truck was a 5.0 the original pipe was used.

1996 GMC Sierra True Dual Flowmaster 10 Series Delta Force Race Mufflers
my buddys gmc 5.7 vortec 350 with true dual 10 series delta force race mufflers with cats

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.

1997 Silverado Flowmasters
My 1997 Silverado 350 getting dual super 40's installed.

97 gmc sierra 5.7L with FLOWMASTER 40's burnout
My cousin burlin the tires on his 97 5.7 4x4 sierra getting some sideways action

Silverado True Dual Exhaust!! And Playing in the SNOW
Exhaust video of my 1996 Silverado 5.7 vortec with 3inch true dual Exhaust to 5 inch diesel tips highflow cats and cold air intake. it was 32 Degrees and had already been warmed up.

sonoma s10 6.0 ls2 heads cam
01 sonoma lq9 6.0 tsp ported ls3 heads tsp 229/236 cam ls3 intake

exhaust comparison between magnaflow and flowmaster nock offs
Comparison video of mufflers. Exhaust is 3" with X pipe, flow tech headers. Fist video is with magnaflow. Second is some Flowmaster knock offs. They are the same muffler as Jones Full Bore mufflers, and the same exact thing as flowmaster 40s.

chevy 1500 350 vortec 5.7 flowmaster
1997 chevy silverado k1500 z71 350 vortec 5.7L flowmaster super 40 series Exhaust with turndowns k&n airfilter new tires kumho road venture size 265/75/16 and a set of aftermarket wheels it does 0-60 in about 7.9 seconds

98 chevy flowmaster
my 98 chevy silverado 1500 with a 350 vortec, has stock heads, with flowmaster 40 series duals and 3" diameter 24" long cherrybomb tips

Flow Master Delta Flow 40 series
1995 GMC 5.7L

98 Silverado w/ Flowmaster 50 Series Quick Rev, Part I
Just for informational purposes incase this is what your looking for. 98 350 Vortec flowmaster 50, dual in dual out single muffler, stock cats 2 1/2 in. piping. Outlets to 3 in. 45* angle.

5.4L Ford Expedition Flowmaster 40's
2000 5.4L Triton V8 Expedition, Eddie Bauer Edition Flowmaster 40 Series 3-Chamber with Y-Pipe and chrome Exhaust tips.