just an FYI I resonator can increase the sound...so be careful what you looking for, that's one of the reasons my exhaust is louder than say the same Mustang with just straight pipes...the LM's are classified as resonators, not mufflers
res·o·na·tor - an apparatus that increases the resonance of a sound,
res·o·nance - the quality in a sound of being deep, full, and reverberating.