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okay, so i've had the opportunity to install both kinds of mufflers on my V6 in the last few weeks. i know i'm spending extra money, but the sound is very important to me and i like to test stuff for the sake of mad scientist experimentation!
i put the MAC on first and was blown away at how loud it is through the RPM range. when you first light it up, it just growls. here are the pros of the MAC: the low RPM sound is tremendous. i give it a 10 for a V6. it also looks real good if you like a 4" pipe sticking out the back. and it's stainless steel all the way. the cons of the MAC: when you step on it, it does get a little too tinny sounding (see ricey) for my taste. it also drones quite bad in fourth gear around 55mph. this muffler is just plain loud!
as for the JBA - it really doesn't sound much louder than the stock until you step on it. it gets pretty throaty at this point and sounds better than the MAC. it just doesn't have much girth at the low RPM's - pretty quiet. but it is way better in the resonation/droning department. i'm just having a little problem getting it to sit right. it's touching the rear valance ever so slightly. i'm thinking about putting in a few extra washers to get it to drop a little. it also doesn't stick out as much as the MAC - a little shorter tube.
so here's my conclusion after testing both - if you like a really loud sound and are willing to put up with resonation - go with the MAC. if you want a little bit more sound than the stock but not too much, then the JBA is more your speed. i'm actually thinking about keeping the JBA. i'm finding myself stepping on it a little more to hear that awesome high RPM sound.
hope all this helps you sixers out there...
i put the MAC on first and was blown away at how loud it is through the RPM range. when you first light it up, it just growls. here are the pros of the MAC: the low RPM sound is tremendous. i give it a 10 for a V6. it also looks real good if you like a 4" pipe sticking out the back. and it's stainless steel all the way. the cons of the MAC: when you step on it, it does get a little too tinny sounding (see ricey) for my taste. it also drones quite bad in fourth gear around 55mph. this muffler is just plain loud!
as for the JBA - it really doesn't sound much louder than the stock until you step on it. it gets pretty throaty at this point and sounds better than the MAC. it just doesn't have much girth at the low RPM's - pretty quiet. but it is way better in the resonation/droning department. i'm just having a little problem getting it to sit right. it's touching the rear valance ever so slightly. i'm thinking about putting in a few extra washers to get it to drop a little. it also doesn't stick out as much as the MAC - a little shorter tube.
so here's my conclusion after testing both - if you like a really loud sound and are willing to put up with resonation - go with the MAC. if you want a little bit more sound than the stock but not too much, then the JBA is more your speed. i'm actually thinking about keeping the JBA. i'm finding myself stepping on it a little more to hear that awesome high RPM sound.
hope all this helps you sixers out there...