Flowmaster Super 40s??
02-08-2005, 09:19 PM
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Car: 2 1988 GTAs
Engine: 5.0 and 5.7
Transmission: 700R4
Axle/Gears: 3.27 posi's in both
Flowmaster Super 40s??
Went and bought a Flowmaster Super 40 this afternoon. 3" offset/center for a single outlet driver's side set up. Anyone here running one? What do they sound like on these cars? I guess I'll find out in the morning but Im just curious. I've heard some good things about them.
02-08-2005, 09:30 PM
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Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
I'm running dual 40 series 3" pipes and they sound awesome and loud-I need to install a H or X pipe yet. My car runs the same number with the exhaust and open headers....big plus IMO since I dont ever have to worry about dropping teh exhaust to go faster
02-08-2005, 09:35 PM
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Car: 2 1988 GTAs
Engine: 5.0 and 5.7
Transmission: 700R4
Axle/Gears: 3.27 posi's in both
Are they the Super 40s or the old school regular 40s? The Super 40s are the new ones that have the larger black case instead of the smaller silver aluminum case. I heard they outflow the old ones by alot and the sound is alot deeper and meaner sounding.
02-08-2005, 09:52 PM
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Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Now you got me wondering, Told tech at Jegs I wanted the Super 40's, but mine are the silver/aluminum looking case 4" thick. So I guess I dont know now....thanks alot
Either way what I have works for me since it runs the same both ways. 
Either way what I have works for me since it runs the same both ways. 
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