Top Speed Auto FAQ: HOW MUCH HORSEPOWER WILL I GAIN? / DO YOU HAVE DYNO RESULTS FOR YOUR INTAKE, HEADERS, TEST PIPES, or EXHAUST? Sometime we have these numbers, but generally we do not usually collect, keep, or promote exact dyno results to sell our products because results vary too much between one car to another depending upon the condition of the car in question, what all else has been done to the car, how well it has been maintained, what type of dyno is used, what the weather is like on the test day, and many other factors. Also figure, when you see a company really hard pushing dyno results for their products, you have to wonder just how tuned or ‘rigged’ their test car might have been… In a nutshell. horsepower gains are proportional. No two engines or systems are exactly the same, so results will naturally vary. The general rule is that you can expect from 5 to 20 percent power gain, but it is directly proportional to the engine and its output at the time the headers are installed. If a performance exhaust is installed on 100-horsepower, four-cylinder engine, for instance, the gain may only be five to 10 horsepower. Installing a header system on a 1969 hot rod with a big block, however, may net over 50. On top of the power gains, it is very likely that fuel economy will increase because the engine will not have to work as hard to produce horsepower and torque. That all said, with intake, headers, and exhaust mods, you could possibly expect perhaps eight to twelve or fifteen horsepower gain...it really depends on your car and set-up. For customer service and questions: TopSpeedAuto 972.233.0888
Posted on: Fri, 20 Jun 2014 18:01:42 +0000
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