Hennessey Performance

RAM RHO Upgrades

The best upgrades for the 2025 RAM RHO are built at Hennessey. Built to conquer pavement and trail alike, the MAMMOTH 700 RAM RHO delivers upgraded power, bold design, and extreme capability. Featuring enhanced performance, 37” tires, custom bumpers, and Hennessey-exclusive touches, it’s the RAM RHO taken to the next level.

Performance

R&D

Tuning

Warranty

Hennessey® Performance, the Texas-based hypercar manufacturer and high-performance vehicle creator, proudly offers the ultimate RAM RHO upgrade, the Hennessey ® MAMMOTH™ 700 performance upgrades and modifications package with its upgraded Hurricane engine. 

The Best RAM RHO Upgrades By Hennessey

Testing for all Hennessey® Performance models and modifications begin at the company’s headquarters in Sealy, Texas. Under the guidance of our Research and Development team, each RAM RHO’s upgrades and mods are subjected to hundreds of hours of research and development. This helps guarantee that Hennessey® Performance’s modifications for RAM RHO’s enhance every aspect of the vehicle while retaining complete usability and manufacturer driving modes.

The Best RAM RHO Upgrades By Hennessey

After lab-based evaluation, development moves to Hennessey® Performance’s various on-site dyno bays for live assessment. The final phase sees development models pound the Pennzoil Proving Ground at Hennessey® Performance’s headquarters to evaluate the 2025 RAM RHO tune upgrade in the real world. Even after each model line is signed-off, every customer vehicle undergoes its series of quality assurance tests, including a detailed test drive by Hennessey® Performance’s engineers.

The Best RAM RHO Upgrades By Hennessey

Customer satisfaction is at the core of every Hennessey® Performance’s RAM RHO performance upgrades and modifications package. Emphasizing this point, the company provides a comprehensive warranty on each V6 MAMMOTH™ upgrade and modification to provide total peace of mind. Customers are invited to take final delivery of their new Hennessey® vehicle at the Pennzoil Proving Grounds in Sealy, Texas for the ultimate performance experience.

The Best RAM RHO Upgrades By Hennessey

Performance

Hennessey Performance

Hennessey® Performance, the Texas-based hypercar manufacturer and high-performance vehicle creator, proudly offers the ultimate RAM 1500 RHO upgrade, the Hennessey ® MAMMOTH™ 700 performance upgrades and modifications package with its upgraded 6.2-liter tuned V6 boasting extra hoursepower.

R&D

Hennessey Performance

Testing for all Hennessey® Performance models and modifications begin at the company’s headquarters in Sealy, Texas. Under the guidance of our Research and Development team, each RAM RHO’s upgrades and mods are subjected to hundreds of hours of research and development. This helps guarantee that Hennessey® Performance’s modifications for RAM RHO’s enhance every aspect of the vehicle while retaining complete usability and manufacturer driving modes.

Tuning

Hennessey Performance

After lab-based evaluation, development moves to Hennessey® Performance’s various on-site dyno bays for live assessment. The final phase sees development models pound the Pennzoil Proving Ground at Hennessey® Performance’s headquarters to evaluate the 2025 RAM RHO tune upgrade in the real world. Even after each model line is signed-off, every customer vehicle undergoes its series of quality assurance tests, including a detailed test drive by Hennessey® Performance’s engineers.

Warranty

Hennessey Performance

Customer satisfaction is at the core of every Hennessey® Performance’s RAM RHO performance upgrades and modifications package. Emphasizing this point, the company provides a comprehensive warranty on each V6 MAMMOTH™ upgrade and modification to provide total peace of mind. Customers are invited to take final delivery of their new Hennessey® vehicle at the Pennzoil Proving Grounds in Sealy, Texas for the ultimate performance experience.

MAMMOTH 700

Off-Road Kit

The 2025 RAM RHO MAMMOTH off-road upgrade is imposing and robust. It includes MAMMOTH® front and rear bumpers with integrated LED lights, and 20-inch Hennessey® wheels. The RAM RHO MAMMOTH upgrades also include up to 37-inch off-road tires and a front and rear leveling kit. All work is covered by a comprehensive 3-year / 36,000-mile warranty.

The Best RAM RHO Upgrades By Hennessey

Hennessey-Branded Front Bumper

Engineered to handle the toughest off-road conditions, this front bumper is designed to provide maximum protection for your upgraded RAM TRX while making a bold statement on the trails. 

The Best RAM RHO Upgrades By Hennessey

Hennessey-Branded Rear Bumper

Built with the same uncompromising quality and durability as their front counterparts. This rear bumper is designed to withstand impacts and resist corrosion.

The Best RAM RHO Upgrades By Hennessey

Off-Road Wheels and Tires

The ultimate choice for those seeking exceptional performance and reliability. Built to withstand the toughest terrains, featuring aggressive tread patterns, reinforced sidewalls, and durable construction. 

Electronic Fold-Out Steps

The epitome of convenience and functionality for your upgraded RAM TRX. The electronic fold-out steps are engineered to withstand the rigors of daily use and harsh weather conditions. 

The Best RAM RHO Upgrades By Hennessey

Specifications

RAM RHO

The Hennessey® MAMMOTH™ 700 RAM RHO performance package is robust and imposing. It has been drastically improved with modifications like Hennessey front and rear bumpers with LED light bar in front, 20″ Hennessey® wheels, and 37″ off-road tires. With a front and rear suspension leveling kit.

MAMMOTH™ 700

  • Increased Boost Pressure
  • Upgraded Stainless Steel Exhaust System
  • Engine Management Computer Software Upgrade
  • All Necessary Gaskets and Fluids
  • Professional Installation
  • Chassis Dyno Calibration and Testing
  • Road Testing (Up To 500 Miles)
  • Hennessey® Exterior Badging
  • MAMMOTH® 700 Exterior Badging
  • Serial Numbered Engine Bay Plaque
  • 3 Year / 36,000 Mile Limited Warranty
  • Hennessey® Off-Road Front Bumper
  • Factory Sensor Integration (Parking/ACC)
  • Bumper Mounted 32″ LED Light Bar
  • Front Bumper Center mounted 5” Round Lights
  • Front Bumper Corner Mounted 3″ LED Lights
  • Custom Hennessey® Skid Plate
  • Hennessey® Off-Road Rear Bumper
  • Front Suspension Leveling Kit
  • 3” Overall Lift
  • Powered Electric Fold-Out Steps
  • Hennessey® All Weather Floor Mats
  • Upgraded 6-Piston Performance Brakes
  • Stainless Steel Braided Brake Lines
  • High Temp Brake Pads
  • High Performance Rotors
  • All Necessary Hardware
  • 20” Hennessey Wheels
  • 37″ Off Road Tires
  • (Optional) 6-Piston Performance Brake Kit

SOLD OUT

  • 1000 bhp @ 6,500 rpm
  • 969 lb-ft torque @ 4,200 rpm
  • Includes Base Ram TRX
  • 6×6 Locking Rear Axles
  • Upgraded High-Flow Supercharger System
  • Supercharger Front Drive Pulley Upgrade
  • Supercharger Rear Drive Pulley Upgrade
  • Crank Damper Pin Drive Pulley Upgrade
  • Upgraded Thermostat
  • Heavy Duty Supercharger Belt
  • Upgraded Spark Plugs
  • High-Flow Fuel Injectors
  • Crank Case Ventilation System
  • HPE ECM Calibration Upgrade
  • HPE TCM Calibration Upgrade
  • All Necessary Gaskets & Fluids
  • Professional Installation
  • Chassis Dyno Testing
  • Road Testing (Up To 500 Miles)
  • MAMMOTH™ Custom Front Bumper
  • MAMMOTH™ Custom Rear Bumper
  • LED Lights in Front Bumper
  • 20” Hennessey® 10-Spoke Wheels
  • 37” Off-Road Tires
  • 6-Piston Front Performance Brakes
  • Front Leveling Kit
  • Upgraded Electronic Fold Out Steps
  • Hennessey® Embroidered Headrests
  • Hennessey® Exterior Badging
  • MAMMOTH™ 1000 Exterior Badging
  • Serial Number Engine Bay Plaque
  • Limited Edition 1 of 12
  • 3 Year / 36,000 Mile Warranty

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