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Re: Exhaust decision, opinions?
Why do you still have cats? I would think you would have had them tuned out of the ECM when you had it done? Stock engine=no need for headers. Stock cast manifolds will be more than adequate for a 4.8 IMHO.
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'83 K20-TPI
'73 C10
'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
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