GMMG or LM1?
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#14
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I just don't see the point of cats on a modified car. I've worked on several cars with a nice true dual system with no cats and Magnaflow bullets and they didn't rasp. But I do prefer a nice custom y-pipe with a Flowmaster merge or better and a Magnaflow race muffler. Loud when it needs to be and has a nice tone. Not to mention that I need the clearance because all the cars I have owned have been slammed. You can always add an electric cutout to be annoying loud when necessary. My favorite is the DMH low profile cutouts that CaliforniaBoy5 has.
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If you do duals with no cats with all mandrel bends and an X-pipe you won't have rasp. If you like loud, go for spirals. I've even seen people go with LM1 resonators instead of mufflers. Haven't heard it in person though.
If ur gonna stay away from duals, I vote for the GMMG
If ur gonna stay away from duals, I vote for the GMMG