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CP Pistons 4.6L/5.4L -9cc Dish Pistons - Stock Bore $834.75	Diamond 99-04 Mustang Pro-Select Piston Rings (Stock Bore) $164.99	Diamond 99-04 Mustang Pro-Select Piston Rings (.030 Over) $164.99

CP Pistons 4.6L/5.4L -17cc Dish Pistons - .030 Over Bore $834.75	Diamond 99-04 Mustang -15cc Dished Pistons (.020 Over) $664.99	CP Pistons 4.6L/5.4L -9cc Dish Pistons - .030 Over Bore $834.75

Diamond 99-04 Mustang -15cc Dished Pistons (Stock Bore) $664.99	CP Pistons 4.6L/5.4L -9cc Dish Pistons - .020 Over Bore $834.75	Diamond 99-04 Mustang Pro-Select Piston Rings (.020 Over) $164.99

Featured Products

AFCO 2007+ GT500 Pro-Series Dual Pass Heat Exchanger $415.95	Magnaflow 03-04 Cobra Cat-Back Exhaust System $606.52	Steeda 05-09 Mustang GT Tri-Ax Shifter FREE SHIPPING $274.95

Whipple 03-04 Cobra 3.4L W210ax Supercharger Kit (Black) $3,894.99	Lethal Performance T-56 Throwout Bearing Retainer Sleeve $114.99	Steeda 07-09 GT500 Tri-Ax Shifter $325.45

JLT 05-09 Mustang GT Cold Air Intake Kit $209.00	JLT 03-04 Cobra True Cold Air Intake - Complete Kit $214.95	Lethal Performance 2010 GT500 Hydro Carbon Hood Vent $223.00

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Testimonials

Great product

i recentlly orderd the lethal performance off road x-pipe and tuner for my 07 Shelby GT500. and let me just say the sound is amazing, and with tune...

Superior Customer Service

Lethal- Thanks for always taking care of me and for the superior customer service! Only place I will do business with!

Standards in Performance

Best group of professionals to deal with in a company. Couldn't ask for anything more. Superb customer service, fast shipment, and one heck of a...

Amazing Service

I've always experienced exceptional service from Lethal, but when I checked my email a few minutes ago, I was blown away. My order was confirmed...

Fast Service

Ordered my mid-pipes and got them in a few days.Thanks for the fast service.Now my Lightning sounds better than my GT.Time for more upgrades...

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Lethal Performance is the leader in aftermarket parts distribution

Super Competitive Pricing and Fast Shipping

The highest level of customer service in the industry

High volume stocking distributors for many of the industry's finest manufacturers

Lethal Performance ships products worldwide