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08-14-2016, 03:53 PM
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#1 |
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Registered User
Join Date: Apr 2014
Location: Cunningham, KY
Posts: 351
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Factory side exhaust duals
Many years ago I had an 86 GMC C10. I remember replacing the muffler and tailpipes with some from Autozone. The muffler was a single out dual out and both pipes exited on the drivers side just behind the rear tire. I am curious if this was a factory set-up or aftermarket?
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08-14-2016, 06:45 PM
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#2 |
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Post Whore
  
Join Date: May 2015
Location: Alabama
Posts: 14,674
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Re: Factory side exhaust duals
My rememberer don't work like it used to but I don't remember a factory exhaust exit in front of the wheels..
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08-14-2016, 07:49 PM
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#3 |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,381
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Re: Factory side exhaust duals
That was factory, single exhaust with dual tailpipes exiting behind the passenger rear tire.
__________________
76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10 |
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08-14-2016, 08:00 PM
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#4 |
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Registered User
Join Date: Nov 2015
Location: Alberta
Posts: 464
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Re: Factory side exhaust duals
My dad had an 85 with the same setup. It had a single 2-1/2 before and dual 2-1/4 out the back on the same side
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-Cody |
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08-14-2016, 08:22 PM
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#5 |
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Registered User
Join Date: Apr 2014
Location: Cunningham, KY
Posts: 351
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Re: Factory side exhaust duals
The passenger side seems like a better idea...kinda insulated the driver from the sound somewhat. I kinda like the look, so I might go that route when I redo my exhaust.
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08-14-2016, 08:23 PM
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#6 |
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Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,674
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Re: Factory side exhaust duals
My bad..I was speed reading and I thought he said in front of rear tires..ooopppsss..yall are right there were dual exhausts (behind) the rear tires..
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08-16-2016, 04:51 PM
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#7 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,194
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Re: Factory side exhaust duals
I think my 83 C20 is mostly stock on the 454 exhaust, but the tailpipes exit behind the rear wheels on both sides. I think that is a more efficient exhaust idea, but I do not have a catalytic converter to deal with (3/4 tons trucks got cat exemption for a while in the early 80s. I think the factory configuration is tailpipes over the rear axle and dumping out the back in the 83 model.
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08-16-2016, 06:15 PM
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#8 |
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Registered User
Join Date: Jul 2007
Location: Sims, NC
Posts: 531
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Re: Factory side exhaust duals
Yes, that was factory exhaust. Like this:
__________________
All things Chevy truck: 1986 SWB "Jolene" boosted 5.3/4l80e project |
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08-16-2016, 11:07 PM
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#9 | |
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Senior Member
Join Date: May 2001
Location: Independence MO.
Posts: 7,712
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Re: Factory side exhaust duals
Quote:
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