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I'm sure there is plenty of info out there on this topic, but I'm short on time and would like to hear from you guys if possible. Basically I'm looking to find out what combo provides the best bang for my buck when comparing performance of just a header or just a slip-on or a full system exhaust. Obviously full system will be best, but will also be the most expensive... so will it be worth my time to install just the header, or just the slip-on, ie, which is best?
Bike in question is a '13 ktm350f. Potentially looking at a ss fmf mega bomb setup.
Thanks
Bike in question is a '13 ktm350f. Potentially looking at a ss fmf mega bomb setup.
Thanks
On modern competition bikes big gains are unlikely. Some models (current Huskys for example) have excessive restrictions for more sound reduction. If more noise is acceptable, a replacement muffler can offer noticeable gain.
Common sense tells you a different shape/size/length header is no more expensive. If a different design was universally superior, the $millions spent on R&D by the bike manufacturers would likely result in those dimensions.
So, headers are usually only useful for moving the power. EG bigger diameter for less low end, more top end, or longer for low end, at the expense of peak power.
Other reasons for a full system include:
- Weight saving, especially with Ti. (Expensive for the saving)
- Ability to remove exhaust with shock in place on KTMs/White KTMs
- Cool factor (how much is cool worth to you $$)
Unless you always have almost new tires on your bike, the money could be better spent. IMHO
The Shop
The number two factor was that the EU KTMs have the same silencer as Husqvarnas in US(i think), as you know those are pretty restricted so a slip on might be a gain in most cases.
The header on KTMs are known for being relatively good.
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