Bonneville America Forums Forums Technical Forums Exhaust HP gain by TOR+FREAK vs. Thunderpipes+FREAK

Hi boys,

what´s your opinion about HP gain on the TBAs by the following combinations :
a.) TOR Longs + FREAK on the stock engine
b.) Thunderpipes + FREAK on the stock engine
c.) TOR Longs + FREAK on the modified engine(I mean Wiseco BB kit)
d.) Thunderpipes + FREAK on the modified engine(I mean Wiseco BB kit)

Thanx for your answers!

PP