Silverado/Sierra 5.3L muffler comparison

[AbnsundevilL7]

I did the Super 44 and it's amazing... but I'm just another redneck who gets a hearty chuckle from setting off ricer car alarms when I drive through a parking garage.

[rpmfreak17]

40 series sounds the best



[dctx1]

magnaflow big body and 40 series sound tha best

[Domman56]

40 series definately the best

[9200j]

good way to hear difference with out buying in others word try it before you buy it