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Discussion Starter #1
Does installation of the billet air cleaner require an FP3 to be installed along with it or can it work without the fuel pak3 too. The workshop mechanic had advised me to get an fp3 if i plan to get the heavy breather installed. Have anyone of you installed the heavy breather without the fp3 and can suggest if there us any difference that the stock filter . Also what should be the compatibility with an Two Brothers Exhaust system..
 

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The FP3 is a must if you change the air cleaner. Otherwise you will be running way too lean and hot. Engine damage will likely be the result.

The chisel air cleaner will be fine with the TBR exhaust as long as you have the Fuelpak or have it tuned by the dealer
 

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Discussion Starter #3
also will the fuelpak 3 also compatible with the tbr exhaust. Will it have specific maps for exhaust system .
 

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No, the FP3 doesn't have specific maps for any exhaust other than 1) the H-D stock pipe or 2) the Vance & Hines Competition exhaust.
 
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