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73-87 Chevy _ GMC Trucks => Performance => Exhaust => Topic started by: bicent truck on November 04, 2006, 04:19:00 pm

Title: HEADERS/ EXHAUST SIZE AND REDUCERS
Post by: bicent truck on November 04, 2006, 04:19:00 pm

I am looking at some nice long tube ceramic coated headers on Ebay for a 76 C10 with a 350. My question is this. I already have 2 and 1/2" stainless exhaust and alot of the headers have 3" collectors. Are they made to connect to 3" only or can a reducer to the 2 and 1/2" pipe is Ok and not present any restriction problems. Thanks

Title: Re: HEADERS/ EXHAUST SIZE AND REDUCERS
Post by: APlunk711 on November 04, 2006, 04:12:00 pm

The make the reducers that make it go from 3" to 2.5". I ran the hooker headers on my 77 chevy. They have a 3" collector and i used a r educer to run it to 2.5" piping and i never had any problems with it.

Title: Headers
Post by: bicent truck on November 05, 2006, 10:44:00 am

how was the fit in your Hooker's and what is the height of your truck, any lowering/drop?

Title: Re: Headers
Post by: gpday06 on December 22, 2006, 11:59:00 am

i wouldnt reduce it at all, itll give you better flow with the 3"!

Title: 3"
Post by: MY854X4 on December 29, 2006, 07:15:00 pm

I have all 3 inch stuff wiating to be installed. I am going from 3" colecter on the headers to 3" cats to 3" summit cherry bomb style muffler's to 3" pipe all the way out back.