Quote:
Originally Posted by DRACO A5OG
A side effect may be some back fires on decel, liken to a race car 
I've installed the M&K Pre Muff (Cat By-Pass) on stock 1 in1 out & SW Chip.
Sound is much more throatier. |
Same exact setup on my '84. I bought mine that way, so I can't speak for the "before" and "after" changes. But it does run great and sounds pretty good. Some people complain about exhaust smell w/o the cat, I haven't found that to be too bad. No backfires on mine.
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2018 718 Cayman 2.0
Priors - '72 911T coupe, '84 911 Carrera coupe, '84 944, '73 914 2.0
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