reduce intake restrictions. The panel filter, of course, simply replaces the stock paper element filter in the stock Ford air box. It's a one-minute install-ation.
While our experiments with Kenne Bell left us wondering how much low-restriction muffler could accomplish, we need not have concerned ourselves over it as the MagnaFlow after-cat system returned good numbers. The |
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Mustang baselined in the high 260-rwhp range, and the MagnaFlow system gained anywhere from 9-12 rwhp on that depending on how you look at the data. That's a soft way of reviewing dyno numbers, we know, but complicating things is that Kevin's GT uses an automatic transmission, which definitely affects the data compared to the manual-transmission cars.
Automatics absorb more horsepower than manuals, of course, |
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| Wide Open Performance is Magna-Flow's marketing war cry. It refers to the unobstructed path through its mufflers. Altough resembling baffle-type "turbo" mufflers externally, MagnaFlow's mufflers use a single-pass tube, perforated with numerous small holes and surrounded by steel and glass absorbent matting. They always give a mellow tone and come out of the box wearing the welded-on pipe and tips seen here. Testing has always shown them to be good on horsepower, too. |
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| We were especially impressed with the MagnaFlow system's tips. Perf-ectly sized and smartly detailed, they fit the GT's rear valance perfectly. While the entire system is built from stainless steel, the tips are polished to a mirror finish. |
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| MagnaFlow supplies a pair of clamps for the pipe-to-muffler connections. Matching the stock system's high-quality band-type units, the Magna-Flow replacements are equally sophisticated. |
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| Following K&N practice, the replace-ment GT panel filter is assembled from cotton gauze and wire mesh. It emerges from its box perfectly oiled and ready to slide in. |
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