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Old 01-26-2009, 08:18 PM   #1
bigbadchev72
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Join Date: Jun 2007
Location: Hermiston, oregon
Posts: 840
exhaust sizing

I have a fairly beefed up 400 flat tops, balanced, cam, aluminum intake and carb, I am taking my truck in for exhaust next week and I was originally gonna go with 2.5" duals with H pipe off of stock ramhorns and into 2-1/4 flowmasters.

I already have the flowmasters, But I put 2.5" duals into 3" flowmasters with an H pipe on my blazer. It sounds sweet, but i lost alot of bottom end on it, It is a 350 with and rv cam.

What are you guys running on your rigs? I will not do a single pipe I want the look of duals for sure
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1972 k/5 blazer CST 4X4 Crate 350, th350/205, dana44with trac-loc/14 bolt with detroit locker, 4 wheel discs 4.56s, 8" suspension lift using 73-87springs, 1" zerorate custom front crossmember, HAD CV drivelines and driveshaft e-brake, full cage, PRP seats, Full autometer gauges, 38x14.5x16 Toyo M/Ts, 16x10 Polished aluminum rockcrusher wheels

1967 longbox 4x4, Strong 400/400/208, 44/12bolt 4.10s, 6" lift, 35" Toyo M/Ts on corvette rally wheels
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