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- - Exhaust (https://blazerforum.com/forum/headers-intake-exhaust-10/exhaust-85589/)

jpl9039486

Apr 29, 2014 08:41 PM

Exhaust

Im doing a Cat Back system on my '01 Blazer. Is there any advantage to doing a larger diameter Y-pipe and converter? Keeping single exhaust. I am doing cam swap,modifying heads and porting intake

Thanks
John

05canjimmy

Apr 30, 2014 02:29 PM

i just put new muffler on mine. i went from the flange before the muffler back with new tail pipe went up to 2.5" a little bit of noice but not as much as i hopped it would

rriddle3

Apr 30, 2014 04:20 PM

2.25" - 2.50" will do just fine. The stock cat will be enough, also.

jpl9039486

Apr 30, 2014 08:51 PM

Quote:

Originally Posted by rriddle3 (Post 625993)

2.25" - 2.50" will do just fine. The stock cat will be enough, also.

So doing a bigger y-pipe isnt worth it either just cat back. Any difference between Flowmaster and Magnaflow besides name?

THanks
John

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