Modifying the stock Cat? - Yamaha FZ6 Forums - International FZ6 Motorcycle Community Forum

youngGun · 10-01-2007, 09:55 AM

Has anyone taken the stock cat and just knocked the insides out, instead of buying an eliminator pipe, I know i have done this to cars but how about doing this to the FZ6?

**wrightme43** · 10-01-2007, 10:17 AM

I think its been done on sport bikes dot net under the fz6 section.
If you dont mind do you have a reason why you want to?

trailblazer87 · 10-01-2007, 06:23 PM

Be careful doing this, if your mixture is rich at all it will turn into and expansion/combustion chamber! This happened to a buddy of mine, blew the pipe apart from the top of the collector to where it is next to the swing arm

Made the loudest bang in the process too, scared the hell out of all of us.

youngGun · 10-02-2007, 03:44 PM

I was just curious if this would be the cheap alternative to an eliminator pipe. no real reasoning behind it.

kyle_ott · 11-23-2007, 07:40 AM

i gutted my cat as best i could. took a 12'' drill bit 5/8 and drilled out as much as i could. then i took the bit and knocked all the rest out. you might need a exhaust gasket after doing this if your not careful. i did this the same time i put a K&N air filter in, drilled my exhaust, and cut my air box lid in 1/2. it still doesnt sound how i want it to but i didnt expect much out of all this. i did gain some power i use to top my bike out at about 247kms and now i get 264kms so.....

**buggerlugs** · 11-23-2007, 07:56 AM

Here's another modified cat

10-01-2007, 09:55 AM	#1 (permalink)
youngGun Member Join Date: Sep 2007 Location: Oklahoma Bike: 2005 FZ6 Posts: 240 Rep Power: 7 Member #614	Modifying the stock Cat? Has anyone taken the stock cat and just knocked the insides out, instead of buying an eliminator pipe, I know i have done this to cars but how about doing this to the FZ6?

10-01-2007, 10:17 AM	#2 (permalink)
wrightme43 Super Sock Puppet Administrator Join Date: Apr 2007 Location: Bowling Green KY Bike: 07 FZ6 in Blue. Posts: 5,177 Rep Power: 10 Member #42	I think its been done on sport bikes dot net under the fz6 section. If you dont mind do you have a reason why you want to? __________________ Texas to update slogan from 'Don't Mess with Texas' to 'We Warned You' as homeowners gun down would-be burglars at record rate.

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10-01-2007, 06:23 PM	#3 (permalink)
trailblazer87 Curve Hound Join Date: Aug 2007 Location: Madera, CA Bike: 2006 FZ-6 RED! Posts: 414 Rep Power: 21 Member #403	Be careful doing this, if your mixture is rich at all it will turn into and expansion/combustion chamber! This happened to a buddy of mine, blew the pipe apart from the top of the collector to where it is next to the swing arm Made the loudest bang in the process too, scared the hell out of all of us.

10-02-2007, 03:44 PM	#4 (permalink)
youngGun Member Join Date: Sep 2007 Location: Oklahoma Bike: 2005 FZ6 Posts: 240 Rep Power: 7 Member #614	I was just curious if this would be the cheap alternative to an eliminator pipe. no real reasoning behind it.

11-23-2007, 07:40 AM	#5 (permalink)
kyle_ott Junior Member Join Date: Aug 2007 Posts: 15 Rep Power: 0 Member #386	i gutted my cat as best i could. took a 12'' drill bit 5/8 and drilled out as much as i could. then i took the bit and knocked all the rest out. you might need a exhaust gasket after doing this if your not careful. i did this the same time i put a K&N air filter in, drilled my exhaust, and cut my air box lid in 1/2. it still doesnt sound how i want it to but i didnt expect much out of all this. i did gain some power i use to top my bike out at about 247kms and now i get 264kms so.....

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