Hot Rod Proven - QTP Exhaust Cutouts

From rumble to roar with a key fob.THE PREMISE

Making noise with exhaust cutouts is big fun, but is there really a power gain? No matter how well constructed an exhaust system is, it still restricts flow with piping, bends, mufflers, and sometimes catalytic converters. The old-school solution is exhaust cutouts. Like a fork in the road of the exhaust, the cutouts empty the gases after headers but before the rest of the exhaust system. The original cutouts were made with simple block-off plates that were unbolted after climbing under the car. The new-school answer is electronically activated cutouts using butterfly valves, and Quick Time Performance (QTP) sells the highest quality ones we've seen. They can even be opened with a wireless key fob.

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