Flowmaster makes a flat 2 in 2 out muffler and dynaflow makes a round one that looks like the factory muffler in the truck.
The dynaflows are more like 2x2 glass packs, and in my opinion (no offense intended to anyone...) sound like a rice burner auditioning for fast n' furious.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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