Diesel Performance
Shop diesel performance parts at Offroad Unlimited. Find tuners, fuel systems, injectors & upgrades from top brands for Power Stroke, Cummins & Duramax.
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It's all bigger: Large 3-1/2 inch boost tubes, Thicker core with 27 Percent more flow volume. Superior aluminum end tank design. Includes Monster-Ram intake and boost tubes. Increases air density for higher continuous power. Superior to stock, everything about Banks Techni-Cooler Intercooler system is...Regular price $1,459.99 USDRegular priceUnit price per
$1,621.11 USDSale price $1,459.99 USD -
Optimizes the boosted air density for higher continuous power and lower exhaust gas temps. Restriction-free for superior flow with 25% larger core area and 34% more volume. Big boost tubes & durable cast end tanks pack cool, dense air into cylinders. Cooler EGTs, more...Regular price $1,459.99 USDRegular priceUnit price per
$1,621.11 USDSale price $1,459.99 USD -
Eliminates restrictions, dramatically increasing the cooling capacity for massive continuous power. Big aluminum end tanks won't burst like stock, with a thicker core for a 21% improvement in volume. Includes mandrel-bent 3.5 inch high-flow boost tubes and super-flow High-Ram intake manifold for maximum performance....Regular price $1,459.99 USDRegular priceUnit price per
$1,621.11 USDSale price $1,459.99 USD -
Eliminates restrictions, dramatically increasing the cooling capacity for massive continuous power. Big aluminum end tanks won't burst like stock, with a thicker core for a 21% improvement in volume. Includes mandrel-bent 3.5 inch high-flow boost tubes and super-flow High-Ram intake manifold for maximum performance....Regular price $1,459.99 USDRegular priceUnit price per
$1,621.11 USDSale price $1,459.99 USD -
3-inch mandrel-bent high flow boost tubes. Eliminates restrictions for an 18% increase in flow, dramatically increasing the cooling capacity for massive continuous power, big aluminum end tanks won't burst like the plastic stock ones. Banks Techni-Cooler Intercooler system includes mandrel-bent 3" high-flow boost tubes...Regular price $1,649.99 USDRegular priceUnit price per
$1,832.22 USDSale price $1,649.99 USD -
Large boost tubes, thick core area, wide-open inlet/outlet, big aluminum end tanks and Twin-Ram intake manifold flow more cool, dense air for high continuous power. Banks Intercooler addresses a serious shortcoming of stock 1994-1997 Power Strokes: they have no intercooler. Banks Intercooler system includes...Regular price $1,769.99 USDRegular priceUnit price per
$1,965.56 USDSale price $1,769.99 USD -
Banks huge 3-inch boost tube. Stock tube is smaller diameter with tighter bends which hurts flow. Banks boost tube is 3-inch constant diameter mandrel-bent Aluminized Steel with larger radius bends. More air allows for more fuel which means more horsepower. Banks boost tube is...Regular price $189.99 USDRegular priceUnit price per
$210.00 USDSale price $189.99 USD -
Developed to maximize turbo-diesel efficiency, Quick-Turbo provides massive instantaneous torque. BigHead Wastegate delivers quick, controlled turbo boost. TURBO UPGRADE KIT. Banks developed the Quick-Turbo to eliminate sluggishness out of the hole and produce strong acceleration and lower EGTs. Quick-Turbo produces massive torque right from...Regular price $659.99 USDRegular priceUnit price per
$732.22 USDSale price $659.99 USD -
Before Banks engineers design; build and test power systems; they first examine stock vehicles to see where components choke airflow; create backpressure; raise EGTs; and compromise fuel delivery; Banks then gives back the power; durability and engine efficiency the factory left on the table....Regular price $91.99 USDRegular priceUnit price per
$101.11 USDSale price $91.99 USD -
Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also known as "boost foolers") just make it worse. Only Banks solves this problem by replacing the boost actuator. BigHead holds the wastegate closed for...Regular price $228.99 USDRegular priceUnit price per
$253.33 USDSale price $228.99 USD -
Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also known as "boost foolers") just make it worse. Only Banks solves this problem by replacing the boost actuator. BigHead holds the wastegate closed for...Regular price $228.99 USDRegular priceUnit price per
$253.33 USDSale price $228.99 USD -
Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also known as "boost foolers") just make it worse. Only Banks solves this problem by replacing the boost actuator. BigHead holds the wastegate closed for...Regular price $228.99 USDRegular priceUnit price per
$253.33 USDSale price $228.99 USD -
Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also known as "boost foolers") just make it worse. Only Banks solves this problem by replacing the boost actuator. BigHead holds the wastegate closed for...Regular price $219.99 USDRegular priceUnit price per
$243.33 USDSale price $219.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $425.99 USDRegular priceUnit price per
$472.22 USDSale price $425.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $318.99 USDRegular priceUnit price per
$353.33 USDSale price $318.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $425.99 USDRegular priceUnit price per
$472.22 USDSale price $425.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $395.99 USDRegular priceUnit price per
$438.89 USDSale price $395.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $395.99 USDRegular priceUnit price per
$438.89 USDSale price $395.99 USD -
Why you need it.Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200 hp...Regular price $395.99 USDRegular priceUnit price per
$438.89 USDSale price $395.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $295.99 USDRegular priceUnit price per
$327.78 USDSale price $295.99 USD -
Why you need it.Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200 hp...Regular price $295.99 USDRegular priceUnit price per
$327.78 USDSale price $295.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $395.99 USDRegular priceUnit price per
$438.89 USDSale price $395.99 USD -
Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200...Regular price $395.99 USDRegular priceUnit price per
$438.89 USDSale price $395.99 USD -
Increase clearance on your 2014-2025 Ram truck with rear sway bar. Prevents rubbing when installing the All-New Banks Diff Cover. If you require more clearance between the Diff Cover and your rear sway bar, the Banks Sway Bar Spacer Kit is what you need....Regular price $39.99 USDRegular priceUnit price per
$43.33 USDSale price $39.99 USD