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Old 04-29-2010, 06:44 AM   #211
79gmc5.3
6.0L power.........
 
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Join Date: Dec 2009
Location: Acworth GA
Posts: 292
Re: 79 GMC Sierra LWB 6.0L swap

Quote:
Originally Posted by glock35ipsc View Post
Couldn't have said it better!! What are you doing for exhaust after that 2 into 1 Y?

Right now I have a stock Y pipe going into a 3" Cat into a 3" inlet dynomax muffler 2 1/2" tail pipes. I liked the look of Dennis's so I bought the Y pipe from Summit which is 2 1/4" inlet 3" outlet, have a muffler shop bent 2 new pipes coming off the exhaust manifolds into the Y collector and weld into the 3" Cat. Dennis also said it had a good sound. I'm still thinking of the S & P headers with true dual exhaust just don't have the $$$$$ right now. Maybe later.
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1979 GMC Sierra 6.0 L 4L60E
1995 Mustang GT 347
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