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Old 11-13-2012, 09:39 AM   #1
MZRider OP
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Joined: Oct 2007
Location: Western MD
Oddometer: 681
KTM 450 muffler dimensions?

I'm considering putting a muffler described as being off of an '03-'07 KTM 450 SX on my ATK 604. Looking for quieter than the Supertrapp that came with the bike and inexpensive, seems to be quite a few KTM take-offs on Ebay. What I'd like to know before I buy though is what is the inner diameter of the inlet (or o.d. of the KTM pipe) and what is the center-to-center dimension between the holes of the mounting "ears". Both can be altered, but it would nice to know how close they are to start with.

I sent the seller of one a message, but I guess he/they can't be bothered to answer.

Thanks.
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'94 MZ Silver Star, '96 CCM 350

MZRider screwed with this post 11-13-2012 at 03:31 PM
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Old 11-13-2012, 12:07 PM   #2
LukasM
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If you want quiet than you might want to look elsewhere than a motocross muffler?
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Old 11-14-2012, 08:00 AM   #3
MZRider OP
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Joined: Oct 2007
Location: Western MD
Oddometer: 681
I was only using the 450 SX as an example. The muffler appears to be the same externally no matter if it's from an SX or other model, only with changes to the baffling and addition of a spark arrestor.

So, nobody can be bothered to walk out to the garage and take a few measurements?
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http://www.AntietamClassicCycle.com
'69 Guzzi Ambassador,'77 Yamaha XT500,
'88 Ducati Paso, '91 ATK 604
'94 MZ Silver Star, '96 CCM 350
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