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Looking for quality performance parts at a fair price? We specialize in innovative diesel products for Dodge Cummins engines. From turbo kits, to intake plates, to conversion kits, we've shopped for the best values and/or fabricate our products here in the U.S.A. Whether for your daily driver, towing, or racing, check out what we have to offer, and check back for more offerings on the way. FREE SHIPPING to the lower 48 states/continental U.S. ONLY on orders over $100. Enter coupon code: FREESHIP in COUPON field at checkout, and hit APPLY. Sorry, no free shipping outside of US.


Crazy Carls T-shirts Crazy Carls T-shirts

This is our new t-shirt.  Images printed on front and back. Show off and be seen! Let folks know you're a Cummins owner who loves their truck!!

Our Price: $17.00
Crazy Carls Exhaust Manifold Studs and Nuts Crazy Carls Exhaust Manifold Studs and Nuts

Use these studs instead of bolts on your aftermarket exhaust manifold. We paired 12 steel alloy studs with 12 stainless steel nuts to prevent galling.

Our Price: $48.00
98.5-00 Dodge 5.9L Cummins Competition Juice w/ Attitude CS2 98.5-00 Dodge 5.9L Cummins Competition Juice w/ Attitude CS2

OFF THE SHELF SALE - Only 1 available at this price. Take your VP44 to a whole new level with Edge's Competition Juice. Customers asked and we delivered. Use our new Power Level 7 to fuel up to 3600 RPMs and gain up to 150HP! This product is ideal for those core enthusiasts competing in pulls or dyno competitions.

Our Price: $1,182.95
Sale Price: $1,000.00
Crazy Carls "Twin" Turbo PIPING KIT Crazy Carls "Twin" Turbo PIPING KIT

One of the most complete, quality twin piping kits on the market at the best price. Made with quality 409 stainless steel piping, Tig Welded, powdercoating included. (See also our 2/3rds kits, and our Complete Kit which offers both turbos at deep discounts!)

Our Price: $1,595.00
Crazy Carls P-Pump Conversion Kit Crazy Carls P-Pump Conversion Kit

One of the most complete kits available at the best price on the net! All the components needed to install a P7100 on a 98-02 24 valve Dodge Cummins engine, includes the original Crazy Carl's APPS throttle linkage kit and optional 24P Tunnel Ram intake plate. Choose from high end aftermarket parts or original Cummins parts.

Our Price: $1,595.00
Boost Leak Tester 4 inch Boost Leak Tester 4 inch

Use this Intake Leak Pressure Tester to make sure you get 100% performance from your turbo.

Our Price: $49.00