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25% Off Select Hi-Performance and Truck Accessories

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25% Off Select Hi-Performance and Truck Accessories
Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those items for which the discount applies will be identified in search results and product detail pages. Excludes the following BRANDS: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Champion and BBK Performance. Valid online until 2:59 am EST on 8/31/17.

Performance Books


Performance Books and Modification Guides

A car enthusiast will know that you can be proud, but never satisfied. One of the things that enthusiasts are always looking for more of, performance. A little more grip in the corners, throttle response off the line, less turbo lag, and soon you have modified everything on the car. Once you modify something, it is an exact science to get the feel or response that you are looking for.

Pep Boys selection of performance books can help you learn about all facets of automotive performance. From motors, suspension, and braking, we have a book specifically for each facet of performance so that you can tune your vehicle to your exact preferences. With experience and the proper material, you can fine tune your vehicle to perform exactly how you want.