Replaced my cat got 3+ mpg
lol, catalytic converters aren't meant to be better for the environment in the sense that they gave you more MPG, they help by heating up the exhaust gas even further to help burn the extra carbon crap down to even less harmful gas.
In my personal opinion, it doesn't really even help though and is fairly useless.
In my personal opinion, it doesn't really even help though and is fairly useless.
If you can maintain pretty close to that perfect air to fuel ratio, then you shouldn't have too much extra crap in the exhaust to worry about
having lived in a couple of states that require emissions standards I can unequivically tell you catalytic converters make a radical difference on what's coming out the exhaust I have seen the numbers differences in the testing stations
also having one RX-7 with cats and one without I can tell you it make a big differnece - granted they are rich as running mofos as cars go in general
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2011 Subaru Forester - the daily driver kid hauler
1990 Miata - track whore
LOVE THIS TAMPA CAR RACING SCENE
2011 Subaru Forester - the daily driver kid hauler
1990 Miata - track whore
LOVE THIS TAMPA CAR RACING SCENE


