Decat oem exhaust?

Anyone decat their muffler? I just pulled the exup out of the stock muffler, and was planning on decat, only if it does not increase volume. Anyone do this mod before? Thanks.

nevermind...




and to answer the question, it is slightly louder without the above parts. not obnoxious though.

That's a small catalytic converter...
O/T those rims look nice

Did you feel any power increase? Decrease? How's the sound?

WRXR wrote:

Did you feel any power increase? Decrease? How's the sound?

never ran the exhuast stock. compared to my 4 barrel, it is MUCH quieter, and i cant hear the bike over 40mph. sound with the spark arrestor in, is the same as other bikes which were stock.

i did notice the bike is getting a few mpg more, which i found odd.

rodney wrote:

nevermind...




and to answer the question, it is slightly louder without the above parts. not obnoxious though.

Any walk through on this?

Where is the cat located in the exhaust?

Thanks

GooseR6 wrote:

Any walk through on this?

Where is the cat located in the exhaust?

Thanks

where the muffler to pipe tapers down. no walkthrough, just cut the pipe open, gut parts, reweld pipe. simple, if you have a welder.

nice. itd be cool to see a dyno comparison. im sure the mpg difference is do to easier breathing. Do you have a PC or fmf controller?

good lookin bike btw

zachsb3 wrote:

nice. itd be cool to see a dyno comparison. im sure the mpg difference is do to easier breathing. Do you have a PC or fmf controller?

good lookin bike btw

no fuel controller. bike has 15k with a delta pipe, hasn't been an issue. i pulled the cat since it held some decent heat. i use that exhaust when i go woods riding, or when i need to be stealthy...

needs more pics
like how and where you cut ??
and what you did???

bobbytohn wrote:

needs more pics
like how and where you cut ??
and what you did???

+ 1

i did mine with a small holesaw (cut some extra in the baffles) and used a long threaded rod to smash the cat out.
my welding skilz are not enough to do what he did!

i gutted mine from the bunghole of the exhaust. it was a bit of work but it works really good!

Anyway to remove the EXUP without re-welding the hole? I dont own a welder or know anyone who does.
I guess I could take it to a muffler shop and give em a case of beer or $20. Anyone have any luck with this?