I have nearly the same setup as Johnny, MD LTH with helmholtz, and fast intentions tdx but with ss mufflers and 12 inch res. The noise level is very good, actually lower than when I had HFC with the catback on lower rpms.
I wouldn't say it is better or worse than other lth powerwise, it is up with them.
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2010 370Z Touring Sport Pearl White 6MT Powered by:
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