Diesel Part: SuperCoolers
What It Is: The line consists of two designs: the stacked-plate SuperCooler and the Hi-Tek fin and plate cooling system. The stacked plate is a compact design, while the Hi-Tek comes in two sizes.
Why It's Cool: The stacked-plate cooler offers 7,500 to 29,2000 Btu (that's British Thermal Units, how most cooling systems are rated). The Hi-Tek has an integral puller fan and thermostatic fan control unit. Plus, it knows it needs to produce more airflow once the fluid reaches 175 degrees F.
MSRP: $61.70 to $284.76, depending on the model
Where to Get It: B&M Racing & Performance Products, 818/882-6422, www.bmracing.com
Diesel Part: Exhaust system for Cummins, Duramax and Power Stroke
What It Is: 4-inch-diameter mandrel-bent aluminized steel tubing, and a chambered muffler.
Why It's Cool: The patent-pending chambered design has no filler material to deteriorate.
Where to Get It: Edelbrock, 800/FUN-TEAM, www.edelbrock.com
Diesel Part: Outlook Monitor for the Cummins, Duramax, and Power Stroke engines
What It Is: In-cab controller that lets you decide power levels; works with Rapid Power and Dyno Dominator performance modules, but also is compatible with all available diesel chips and performance modules/downloaders.
Why It's Cool: It lets you set emergency defueling points based on EGT; when the temperatures reach those levels, Outlook will automatically engage and defuel.
Where to Get It: Bully Dog Technologies, 208/397-3200, www.bullydog.com
Diesel Part: Intake System for the '05 Power Stroke
What It Is: Got an Excursion or Super Duty? This replaces the factory inline air filter with a high-flow, high-filtration SynthaFlow filter.
Why It's Cool: Look for better throttle response and a 21.2 rear-wheel horsepower bump.
MSRP: Sells for around $300
Where to Get It: Airaid Filter Company, 800/498-6951, www.airaid.com
Diesel Part: Big Hoss Bundles for Cummins, Duramax, and Power Stroke engines
What It Is: The Bundle includes a Six-Gun Diesel Tuner, Speed-Loader option, Techni-Cooler intercooler with 3-inch boost tubes, Monster exhaust, Ram-Air air filter, and DynaFact gauges.
Why It's Cool: Power. Power. Power. The Bundles can produce up to 155 more ponies and 385 lb-ft more torque, with six adjust-on-the-fly power levels.
MSRP: Varies per application, but starts at $3,131.10 for the Duramax LLY.
Where to Get It: Gale Banks Engineering, 877/227-5648, www.bankspower.com
Diesel Part: Big Daddy packages for Cummins, Power Stroke, and Duramax diesel-powered trucks
What It Is: Power-engineered turbochargers, high-torque transmission kits, engine retarders, electronic and mechanical performance kits, and digital instrumentation kits
Why It's Cool: Performance products are matched to your enhanced power and load requirements for fuel-efficient power output and the heavy-duty components that stand up to that power.
MSRP: As low as $1,395 depending on application and power level you choose
Where to Get It: BD Diesel Performance, 800/887-5030, www.dieselperformance.com
Diesel Part: Big G Power Module with In-Cab Monitor for '03-'04 Power Stroke and '04 1/2-and-up Duramax engines
What It Is: It's designed to monitor rpm, timing, turbo boost pressures, transmission function, and fueling parameters in order to determine how to optimize the fuel and timing curves.
Why It's Cool: The module features five levels of tune, with the highest being 120 hp and 240 lb-ft of torque.
Where to Get It: Granatelli Motorsports, 805/486-6644, www.granatellimotorsports.com