Kenne Bell-Boosted Three-Valve 4.6 Picks Up 180+ Horsepower

Last time we met over this 2006 Mustang GT, we noted it was a great example of a real-world, daily driven Mustang about to get a whole lot more fun thanks to a cost-effective supercharger. Other cars and other owners might opt to spend many more dollars and endure many more hassles for four-digit, cocktail-party bragging rights, but this combination was one we could relate to as a ton of fun for an approachable pile of dollars.

We also introduced the main players last time around: enthusiastic owner Melissa Repreza, GTR High Performance Wrench-in-Chief Ricardo Topete, and the Kenne Bell twin-screw supercharger. After the intros we baselined Melissa’s impressively clean, stone-stock, 100,000-plus-mile 2006 Mustang GT both on the dyno and the strip, then broke out the wrenches with Ricardo and installed the Kenne Bell 2.6-liter twin-screw supercharger and 130mm throttle body upgrade.

In keeping with the stock Mustang starting point and the straightforward Kenne Bell blower the installation was trouble-free and was completed in the expected two full days ... read more