GMC Sierra Flowmaster Super 10 vs Stock

My truck got a new muffler on er

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2005 chevy silverado flowmaster 10 series
my 05 silverado 1500, 5.3l 3" piping stock cats 3" flowmaster 10 series side exit Exhaust.





GMC Sierra 5.3 Flowmaster Super 10 Series Before & After!





Flowmaster 40 series vs Super 10's
1989 K5 Blazer, stock tbi 350, Hedman 69230 headers, 2 1/2'' true dual Flowmaster American thunder 40 series with 15'' long 3 1/2'' tips. vs 2 1/2'' true dual Flowmaster Super 10's with 18'' long 3 1/2'' tips.





2011 Silverado Exhaust (Flowmaster Super 10)
Brand new 2011 Silverado totally stock 5.3. This is a Flowmaster super 10 series, single in dual out.




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