Reviewed by Dennis F (Poughkeepsie, NY) Reviewed for a 2012 Ford F-150 — 2008-04-09 16:46:29
Just put the Power Flo spacer on my 06' Ford F150.
Installation was a snap once I figured out which way was "up"; hint, each side must mate to a gasket. Nothing in the instructions to indicate that, and, to me, upside down looked right.
As far as performance, uh, er, it's slight. A bit more response on the low end, nothing gained in the middle (wher e the Ford's really need it) and a bit more at the very top end.
AND, IT DOES WHISTLE, contray to the mfg's claims (they lied), and the whistle became more pronounced when I added a K&N filter in the stock box. The whistle is apparent at low moderate acceleration, where you are most of the time, bummer.
Suprisingly, after I added the filter, The "air drone", the roar you hear upon hard acceleration, was not as loud...
At half the price I woud recomend, but you gotta like the whistle or don't buy. Save your money and put it twords a good exhaust system.