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Jaguar XJ and XJ Supercharged Performance and Styling Products
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Colder Spark Plug Set Jaguar Land Rover 5.0L Supercharged
Our Price: $125.00 Exc GST

Set of 8 spark plugs for Jaguar/Range Rover 5.0L Supercharged Engines. These plugs are one heat range cooler than the OEM spark plugs. We recommend installing these on engines which are being fitted with Supercharger Crank Pulleys & ECU Tunes, due to the increased stress on ignition, to prevent misfires under heavy load, charge pressure & high intake air temperatures.

We recommend gapping these plugs at 0.036 for optimal performance.
Jaguar/Landrover 5.0 Denso ECU Tuning
Our Price: $995.00 Exc GST

Boost your Jaguar/Land Rover 5.0L Supercharged with total peace of mind.

The Jaguar/Land Rover 5.0L Supercharged AJV8 is a robust engine. Velocity's industry insiders have informed us that JLR ran this engine between at much higher HP during development testing. There is a huge amount of capacity left in the engine to produce additional power, which JLR is leaving on the table for future models
, such as the F-Type R, Project 7 and SVR.
Velocity offers our own in-house ECU tune. Owners should expect to see dramatic results - our 5.0L SC Tuning produces well in excess of 600BHP when coupled with our Supercharger Pulley Upgrade.

Pulley installation and ECU reprogramming are very simple operations and full support is provided. ECU Reprogramming is completed with a user-friendly touch-screen OBDII programming system. You simply read the car, email us the file, and your custom performance map or maps are emailed back to you.

Multiple maps can be stored by the programmer, select a Tune, Tune+Pulley and upgrade your software as you go.

FITS ALL 5.0L SUPERCHARGED DENSO ECU JAGUAR & LAND ROVER MODELS (XKR, XJ, XF)


Jaguar/Landrover Denso ECU 5.0 Supercharger Pulley + ECU Tune
Our Price: $1,195.00 Exc GST

Boost your Jaguar/Land Rover 5.0L Supercharged with total peace of mind.

The Jaguar/Land Rover 5.0L Supercharged AJV8 is a beast of an engine. Velocity's industry insiders have informed us that JLR ran this engine between 750 & 800 BHP during development testing. There is a huge amount of capacity left in the engine to produce additional power, as Jaguar's higher horsepower versions such as the XKRS & XFRS have proven.

Velocity offers an 'all-in-one' upgrade consisting of a stainless steel Supercharger overdrive pulley and our own in-house ECU tune. Owners should expect to see dramatic results IRO 600BHP.

Pulley installation and ECU reprogramming are very simple operations and full support is provided. ECU Reprogramming is completed with a user-friendly touch screen progammer which allows you to store up to 5 modified files for use, and flash back to the OEM tune at your convenience.

FITS ALL PRE-BOSCH ECU JLR 5.0L SUPERCHARGED ENGINES (UP TO 2013/2014 MY FOR MOST CARS) - CONTACT US IF YOU ARE UNSURE OF YOUR ECU TYPE.


Jaguar XJ X351 200 Cell Sports Catalysts 5.0L Supercharged & NA
Our Price: $1,295.00 Exc GST

The Jaguar XJ is an immensely powerful car: the definition of a modern luxury sedan. The immensely powerful 5.0L supercharged V8 gives the car incredible power, but as with many modern cars, the soundtrack is too muted for many people's taste. VelocityAP has created an set of 200 cell motorsport catalysts to the big cat some purr, and a nice bump in BHP and torque. Constructed entirely from austenitic 304-grade stainless steel, these catalysts give optimum level of sound under hard acceleration, but remain quiet and unobtrusive at lower RPMs.

Combine with our Sports Exhaust system, 5.0L Supercharger Pulley and ECU Tune and turn your XKR into a Monster!

This system features:

  • Better sound! Smooth V8 burble at lower RPMs, with a more aggressive sound under load
  • 2kg weight reduction
  • Bolt on fit
  • Increased Performance. More horsepower, smoother torque curve and sharper throttle response.
  • Heat dissipation is vastly improved, reducing heat soak underfloor.
  • Handmade in Canada
  • Jaguar XJ Supercharged 'Sports' Sound Level Exhaust System
    Our Price: $1,795.00 Exc GST

    The Jaguar XJ is an immensely powerful car: the definition of a modern luxury sedan. The immensely powerful 5.0L supercharged V8 gives the car incredible power, but as with many modern cars, the soundtrack is too muted for many people???s taste. Velocity automotive performance has created an exhaust system which gives the big cat some purr, and which matches the car???s ground pounding performance. Constructed entirely from austenitic 304-grade stainless steel, it is designed to give the optimum level of sound under hard acceleration, but remain quiet and unobtrusive at lower RPMs.

    This 'Sports' system is designed for those who like an aggressive sound when accelerating, but a more muted tone when cruising.

    Combine with our 5.0L Supercharger Pulley and ECU Tune and turn your XKR into a Monster!

    This system features:

  • Better sound! Smooth V8 burble at lower RPMs, with a more aggressive sound under load
  • Less weight. 15kg lighter than a standard system, improving braking, handling and acceleration.
  • Bolt on fit (easier to fit than the OEM exhaust)
  • Increased Performance. More horsepower, smoother torque curve and sharper throttle response.
  • Heat dissipation is vastly improved, reducing heat soak underfloor.
  • Quality British Craftsmanship
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