October 1966 saw the unveiling of the Chevrolet Camaro Z28, and since that day it has been in yearly production as Chevy's main sports car. Although the Camaro has seen a lot of different body styles and engine sizes since 1966, one thing has always remained consistent. The target audience has always been those who love performance vehicles. If you're one of those people and you own a Camaro Z28, it's likely that you want to squeeze every bit of horsepower out of your car.
Install a cat-back high-flow exhaust system. Changing the exhaust that extends beyond the catalytic converter reduces the back pressure of the exhaust and allows more gas to escape from the engine at a faster pace. This frees up space in the engine for more cold air to enter. According to exhaust manufacturer Borla, this will increase the horsepower.
Remove the factory air intake with a high-flow cold air intake system. This job can be completed with general automotive in your backyard or garage in just an hour or two. According to an independent study completed by Camaro5.com, the Airaid cold air intake increased the output of the 2010 Camaro by 16 horsepower.
Update the Z28's computer with a computer tuner. Plug it in to the OBD II diagnostic port located under your dash and you can modify shift points, fuel/air ratios and even change the engine timing to increase horsepower. According to Auto Anything.com, you can see an increase of 33 horsepower or more with a handheld tuner.
Install a nitrous oxide kit and increase your horsepower by 150 on a stock Lt1 or LS1 engine according to Go-Fast.org. This is the biggest horsepower gain you can get with a bolt-on kit. The addition of a nitrous system is complicated and professional installation is recommended. However, if you are confident, this job can be done with basic automotive tools.
