Dual exhaust on a 4.3

ECMnut at aol.com ECMnut at aol.com
Mon Jan 31 18:08:50 GMT 2000

As long as it gets up to temp, it should read things okay.
Sounds fine to me.

>  Hi all,I'm almost finished my TBI 4.3 swap in my Toy.I want to run
>  dual 2 1/4" exhaust,with Flowmaster mufflers.I'd be willing to run a
>  single system,but in my truck it'd be kinda hard to fab a y pipe.
>   Will the decrease in back pressure affect the O2 sensor,or will it
>  confuse the computer in any way?I don't think it will,but it doesn't
>  hurt to ask,eh? ;-)
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