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An aftermarket full system exhaust gives more power than a slip-on, right? Is it substantially more power-- enough to justify the increase in price?
 

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There are lots of threads on the bazazz fuel management, you will need it to take any advantage of the full system.

Akra or Leovince slipons will give good performance without losses somewhere.

All depends on your budget, watch HoPmix's Bazazz vid.
 

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There are lots of threads on the bazazz fuel management, you will need it to take any advantage of the full system.

All depends on your budget, watch HoPmix's Bazazz vid.
Aufitt-- how do I find HoPmix's Bazazz video?
 

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http://www.cbr250.net/forum/cbr250-performance/2049-akra-z-fi-vs-stock-2.html

But it will cost $300+ for the Z-Fi and another $300+ to dyno and tune.
But the gains are there.

EDIT- I believe he does not have the larger header pipe yet but now he can tune it when he gets it.

Welcome to the drawbacks of fuel injected motorcycles.
You still had to tune for a carb. It was cheaper but WAY harder and not nearly as precise.

Instead of the dyno tune, you can buy the self mapper (Z-AFM) with the control unit. It's the cost of a dyno tune and you can continuously reuse it to map for all mods, atmospheric changes, etc. You don't get to see a numerical value for HP and torque gains, is about the only difference.

Here's a vid someone posted yesterday

There's vids of the self mapper at work on a dyno at our website bazzaz.net
 
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