From those photos, it's a dead heat.
(They don't really show much.)
In either case, I'd add the longest perforated-core resonator you can fit aft of the catalytic convertor. What model car is this muffler going to be installed on?
__________________
:: :ToDspin: - supermod
- but who gives a shit?
:: HAN Integra FAQ: If, by some miracle, yours hasn't been stolen... check it out!