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Old 10-16-2012, 10:56 PM   #26
motornut
78K & 79C Jimmys
 
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Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
Re: Magnaflow VS Flowmaster?

Ran (Cat free) Walker Dynomax Turbos on the 78 sub (long pipes)
true duals dumped under the box lasted about two weeks,put tails on straight out back
stock 350 sounded great(still got them the 88 even has one)
and yup can't buy em

running (Cat free) Cherry bombs on the 78 Jimmy
bored,cammed,eddy intake,holley carb
true duals so not stock 350,sounds great

running (Cat free) Flowmaster 40s on the stock 79-305 2B
true duals with H-pipe
most swear it's got a lot more under there
i ground out the exhaust manifolds (small bumps to disturb sound)
dumped before the rear tires,can still hear a stock radio
to me it's (outa sight) side pipes, without the burn lol
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350

Last edited by motornut; 10-16-2012 at 11:21 PM.
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