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K&N and Cat Elim or wait?

mercm3

newbie still dammit
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I was thinking of picking up a K&N air filter and cat elim pipe this friday, I gotta wait about 5 -6 weeks to pick up an exhaust. Is it cool to install those 2 things prior or am I creating a lot of double work?
 
I cut out the cat on my 06 when I fitted TB’s and thereafter my bike refused to idle.

I had to fit db killers to get back pressure. I wouldn’t recommend removing the cat unless you intend fitting a power commander or juice box.

The S2's don’t seem to have this problem, possibly because they have three cats and a Co2 sensor.

FZ6--ZN
 
I cut out the cat on my 06 when I fitted TB’s and thereafter my bike refused to idle.

I had to fit db killers to get back pressure. I wouldn’t recommend removing the cat unless you intend fitting a power commander or juice box.

The S2's don’t seem to have this problem, possibly because they have three cats and a Co2 sensor.

FZ6--ZN

I have a PC III currently running stock map from PCIII website, were you eventually able to run the elim pipe without the db killers?
 
What exhaust are you planning on getting? the Leo Vince comes with the cat eliminator pipe with the set.

the K&N filter would be fine to do right now :)
 
Originally I wanted the Leo's but cost wise it's alot better on my wallet to get my 2nd choice which was the Scorpions. I've been looking for the scorpion mid pipe but I found a great deal on the arrow midpipe so I was gonna grab that and get the scorps in a couple of paychecks.

Reiobard in a different thread you mentioned you heard your Leo's compared to scorps and the leo's were much louder was that with or without the db killers?
 
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