Straight through design exhausts are exactly wat they are, its just a tube with a baffel and some packing.
examples from loudest to quietest:
SLP Loudmouth 1 ($)
Borla Stingers ($$$)
SLP Loudmouth 2 ($$)
Magnaflow Magnapacks ($$)
(magnapacks and loudmouth 2's are pretty much the same thing, just different companies)
Chambered mufflers are the kinda squarish and what comes stock on most cars. its the best way to make a quiet car. but they can be made loud.
Examples in no particular order:
Flowmaster (any series)
Standard Magnaflow Catback
Slp Powerflow
Mac Catback
Pypes Catback
If i were choosing, i would choose any of the Straight Through design mufflers (the first list) except the SLP Loudmouth 1's..they sound like ass and are super loud (from personal experience) i am running magnapacks on my car now.
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Brandon J
My Ride
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