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BBK Cold Air Induction System
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Just about everyone has some sort of aftermarket air induction on their Mustang. If you're a regular reader of 5.0, chances are that original equipment paper filter was trashed after just one day of service and replaced with a K&N. That's common. And while the performance gain by just installing a K&N has been well documented, the factory airbox and air intake still remain. This is one area that needs to be spruced up a little. That's where BBK's Cold Air Induction System comes into play.
BBK's Cold Air Induction Systems are available for '87-'99 Mustangs and each kit includes a K&N filter. There are two variations of the Cold Air induction System: as a fenderwell mount or a conical K&N filter-style. We installed a fenderwell system on our '93 coupe to see if it would give us any added horsepower over our K&N panel filter with the silencer removed. When we purchased the coupe the silencer had already been removed. We first dyno'd the car in this form. Then we added an old K&N panel filter. That got us just 1 hp and 1 lb-ft of torque. Bear in mind this was with the stock mass air meter and throttle body.
We tried the BBK Cold Air Induction System two ways: with the stock mass air meter and with a 75mm Bullet mass air meter from Pro-M. With the stock meter in place and the Cold Air kit installed, we didn't gain any horsepower, but we did get more than 4 lb-ft of torque. Of course, the gains would likely be larger with the car moving and a steady flow of ambient air charging into the K&N filter. We didn't really expect to gain horsepower, and BBK doesn't sell it as a part that will boost horsepower. However, with the Pro-M 75mm Bullet we gained 6 hp and another 4 lb-ft of torque.
Was this gain simply a result from adding the Pro-M? That's obvious, but the real reason we installed the Bullet was to get the continuous chrome look from the fenderwell to the throttle body. Now all we need is a polished throttle body and some other pretty stuff under the hood and we'll be ready for the show field. Combine the cost of the BBK and the Pro-M Bullet and you come up with a cash outlay of $370. That's a pretty reasonable investment for the horsepower gain we attained. The BBK Cold Air Induction System looks great, and if you can combine it with a larger-than-stock mass air meter, you will gain increased performance along with killer good looks in the underhood department.