getting pipes from Vance %26amp; Hines, but do I need the FuelPak to get the right sound? have an 07 Electra Glide Classic.Do I need FuelPak for HD with V%26amp;H Pipes? It's not intended for "sound" . The fuel pak or power commander override stock fuel air mixtures to make your bike run correctly with the new, less restricted pipes.
Yes , highly advisable or you are likely to run lean.
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