Difficulty: Moderately Challenging
Step1
Search online for performance chips for Wranglers to add horsepower. The performance chips come in three different stages to fit your performance. Programming can be done at a Jeep dealership or almost any off-roading sales store.
Step2
Visit a muffler shop or search online to find an aftermarket exhaust, preferably Flowmaster, as it yields the best results. Dynatech is also a good brand for adding horsepower to your Jeep Wrangler with an aftermarket exhaust system.
Step3
Buy a K&N air filter for your Jeep Wrangler to increase it's air intake. Find an authorized dealer online or in the neighborhood parts store, see Resources below.