Introducing the JHM Supercharger: Unleash the Potential of Your B8 RS5 4.2L

Discover the ultimate solution for enhancing the power of your B8 RS5 4.2L with the groundbreaking JHM Supercharger. This revolutionary upgrade offers unparalleled performance gains that transform your unassuming German coupe into an undeniable force to be reckoned with on the road and the track.

The JHM Stage 3-4 Supercharger Kit serves as the cornerstone for a range of power levels available for the RS5 4.2L. This kit lays the foundation for achieving your desired power output levels through the incorporation of dedicated supporting hardware modifications. Notably, the heart of this Supercharger Kit is the same Vortech V3 Si head unit that propelled our in-house 2007 B7-RS4 4.2L FSI to a remarkable 10.7-second quarter-mile time at a blistering 130 mph way back in 2013. Remarkably, this feat was accomplished with full vehicle weight, complete interior, exhaust system, and street tires.+

Software Progressions Aligned with Optimal Hardware: Unleash the Full Potential

STAGE 3 Software - ECU and TCU (100% stock vehicle ok)

Harness the power of your RS5's potential while retaining its stock catalytic converters with our Stage 3 Software. Achieve remarkable performance improvements, clocking in at 11.3 seconds with a trap speed of 120 mph. Experience the thrill of optimized shift points in the low to mid 7000 rpm range on 91 octane fuel, with the promise of even greater speeds when coupled with appropriate tires. A crucial note: We've strategically set the shift points to ensure the longevity of your catalytic converters, given their predisposition to strain under heightened power levels (though no guarantees are offered).

4-5 psi capable based on elevation, modifications, temperatures, etc.

STAGE 3+ Software - ECU and TCU (JHM Headers required)

Elevate your RS5's capabilities to new heights with our Stage 3+ Software, an ideal match for those opting for HEADERS, absent of catalytic converters or relocated high-flow cats in X or downpipes. Any factory cat deletions are accommodated effortlessly, making this the pivotal alteration. The performance figures speak volumes: Achieve an impressive 11.0-second run at 125 mph, propelled by well-timed shift points in the high OEM shift range around ~8000rpm on 91 octane fuel. This performance is only the beginning; superior tires can enhance your experience further. (Note: We had suboptimal tires during testing.)

A limitation, however, stems from the stock clutch pack featuring a mere 11 clutches (compared to the upgraded JHM R Series R15 clutch pack with 15 clutches). It's worth noting that the S6-S7 4.0t boasts 13 clutches, providing context to this constraint.

6-7 psi capable based on elevation, modifications, temperatures, etc.

STAGE 4 Software - ECU and TCU (JHM Headers and R15 clutch upgrade required)

Embark on the pinnacle of performance with our Stage 4 Software, an endeavor that necessitates both a CLUTCH PACK UPGRADE and HEADERS. Your RS5 will flourish without catalytic converters or relocated high-flow cats in X or downpipes. The potential is undeniable: Achieve a blazing 10.85-second dash at an impressive 127.91 mph, complemented by shift points optimized in the mid 8000 rpm range on 93 octane fuel. For those seeking even greater performance.

We highly recommend embracing the JHM R Series R15 clutch pack upgrade, showcasing an impressive 15 clutches. This upgrade stands as a testament to our dedication to maximizing your RS5's capabilities. However, the clutch pack upgrade mandates a minimum of 13 clutches to unlock its full potential with this software.

 7-8 psi capable based on elevation, modifications, temperatures, etc.

• Vortech Centrifugal Supercharger (775 horsepower capable)
• JHM Laser Cut Supercharger Mounting Brackets
• JHM Inlet, Outlet and Throttle Body Hose Kit, made from Reinforced Silicone
• JHM Custom Passenger Side Bumper Bracket
• JHM Stage 3, 3+ or 4 Supercharger Software (supporting hardware dependent)
• JHM Front Mount Intercooler integrated into crash bar for an easier install
• JHM Low Profile Conical Air Filter
• Performance Vent To Atmosphere Valves
• New Factory spec Spark Plugs to ensure optimal performance
• All bolts, hardware, clamps, and miscellaneous items required for a complete installation

Fits Audi RS5 B8-B8.5 (2011-2015)

JHM-B8DPXHFCIBS30T

Manufactured by

JH Motorsports