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i have a true dual "02" 8.1 suburban, with an aftermarket setup (no headers), which im changing, cause its rusting...so here is what i am thinking about....i have a great deal on (2) series 44 flowmasters with 3" inlet/outlet, and would like to use them...

my questions are is this to big a diameter? (muffler shop said i would loose torque), and should i use a magnaflow x pipe? it will be exiting out either side, behind rear tires, not straight out back.

here is the link to the flowmasters i have on hold....

http://www.flowmastermufflers.com/products/index.php?main_page=product_info&products_id=4140

thanks for your input....
 

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HOT AIR BALLOON OWNER
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14,932 Posts
Run a dual in, single out muffler. Hooker, Magnaflow, Dynomax, etc.
 
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