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Old Apr 29, 2014 | 08:41 PM
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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


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John
 
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Old Apr 30, 2014 | 02:29 PM
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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
 
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Old Apr 30, 2014 | 04:20 PM
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2.25" - 2.50" will do just fine. The stock cat will be enough, also.
 
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Old Apr 30, 2014 | 08:51 PM
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Originally Posted by rriddle3
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?

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John
 
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