Jaguar XJ Tuning & Performance Upgrades

We offer Jaguar XJ remapping and tuning for all Jaguar vehicle models. If your model is now shown below please contact us to find out more tuning options for your Jaguar XJ

Popular Jaguar XJ products

  • Jaguar XJ 2.7 Diesel Tuning and Jaguar XJ 2.7 Remap

    Jaguar XJ 2.7 Diesel  Tuning and Jaguar 2.7 Diesel   Remap Tuning

     

    Jaguar XJ 2.7 Diesel  Tuning and Remapping can be carried out by Paramount Performance at many locations across the UK and around the world.

    Our Jaguar XJ 2.7 Diesel   tuning and remapping is completely custom, with each XJ remap being written live to your vehicle, the Jaguar XJ tuning can take account of your XJ’s modifications,

    Paramount operate the very latest range of car tuning and remap software and our dedicated team of car tuning engineers have years of experience working in the prestige and Ferrari car tuning arena.

    Jaguar XJ 2.7 Diesel Tuning

    Jaguar XJ 2.7 Diesel Tuning

    Jaguar XJ 2.7 Diesel  tuning and  ECU remapping gives a power increases of around 45bhp (depending on precise model) with significantly better throttle response, full custom chip tuning and live rolling road testing and tuning for your Jaguar XJ is available to at any many locations – please ask for details.

    Paramount Performance the home for all your Diesel  tuning and performance parts

    £399.00
  • Jaguar XJ 4.2 Remapping & Tuning

    Jaguar XJ 4.2 Tuning and Jaguar XJR 4.2 Remap Tuning

    Jaguar XJ Tuning and Jaguar XJR Remapping can be carried out by Paramount Performance at many locations across the UK and around the world.

    Our Jaguar XJ tuning and Jaguar XJR remapping is completely custom, with each XJ remap being written live to your vehicle, the Jaguar XJ tuning can take account of your XJ’s modifications, i.e. Paramount Jaguar XJ performance exhaust systems, or sports catalytic convertors as well as your driving requirements and fuel grade.

    Paramount operate the very latest range of car tuning and remap software and our dedicated team of car tuning engineers have years of experience working in the prestige and Ferrari car tuning arena.

    Jaguar XJ tuning and Jaguar XJR ECU remapping gives a power increases of around 25bhp (depending on precise model) with significantly better throttle response, full custom chip tuning and live rolling road testing and tuning for your Jaguar XJ are available at many locations – please ask for details.

    Paramount Performance is the home for all your Jaguar tuning and performance parts

    SKU: SKU175541121111111121221135 Category:
    £499.00
  • Jaguar XJ 5.0 Tuning – Home tuning and mail order tuning system

    Jaguar XJ 5.0 Tuning – Home tuning and mail order tuning system

    Paramount Performance already have an amazing range of Jaguar XJR 5.0 tuning and ecu remapping, but we appreciate depending on where you are you may not be able to get to us or one of our dealers

    And so now we can tune your vehicle where ever you are! – our brand new driver operated Jaguar tuning system enables you to plug in where ever you are in the world and upload a custom and bespoke Jaguar XJR 5.0 tuning file direct to your car..

    The Jaguar XJR 5.0 tuning is very effective offering up to 50bhp on the supercharged versions, and huge pulling power.

    Throttle response and midrange power is dramatically improved – its not subtle and is suitable for the Jaguar XJ and XJR models. Jaguar XJR 5.0 mail order tuning with worldwide shipping is now a reality, and we can adjust your Jaguar XJR 5.0 tuning for modifications, like our Jaguar 5.0 super charger pulley, 200 cells cats, or Jaguar XJR exhaust system, and also your fuel grade or location too.

    SKU: SKU1805211 Categories: , ,
    £599.00
  • Jaguar XJ Exhaust System & Mufflers (2010-2016)

    Jaguar XJ / XKR Exhaust System / Jaguar XJ Exhaust Mufflers for the 5.0

    High grade stainless steel Jaguar XJ exhaust system rear boxes and Jaguar XJR mufflers made to order. Paramount offer an unrivalled range of 2010 – 2016 Jaguar XJR and XJ tuning parts, Jaguar XJ exhaust systems and exhaust mufflers for the complete range of Jaguar cars, including the lovely new shape Jaguar XJR and XJ exhaust system.

    Here is a sound clip of our 5.0 Jaguar XJR exhaust system 

    Performance and stainless steel Jaguar XJ exhaust systems and Jaguar XJ mufflers are available mail order (tax-free subject to location) and we offer a fitting service to – please mail us for a fitting quote – we are here to help.

    Paramount is the first choice for all your Jaguar performance parts and upgrades

     

    SKU: SKU17548111122112 Category:
    £1,800.00
  • Jaguar XJ Restoration

    Jaguar XJ Restoration Inspection Love your Jaguar XJ like they don’t make it any more – because they don’t! The golden age of Jaguar V8’s and grand tourers is over, it’s sad but true, modern regulations, emission standards and recycling targets means your Jaguar is the end of an era. What can you do about it, love it, treasure it and restore it. If you Jaguar is showing its age a little, or even a lot we can help. Paramount offer all elements of Jaguar XJ restoration, upgrades and refurbishment. From tired seats, XJ headlining, carpets and upholstery, and paint work. Paramount can also undertake all elements of mechanical repair and Jaguar restoration, including engine, brakes, gearbox, suspension, and drive-chain components. Paramount will be delighted to offer a free assessment and review of your Jaguar restoration requirements, join us with your Jaguar and we will inspect it with you, taking the time to understand your requirements, goals and budgets. Your jaguar restoration can be an all-encompassing project or a selection of individual specific repairs that bring the pleasure back to driving your Jaguar again UK wide collection and delivery available Please mail the team now for further information – info@paramount-performance.com

    SKU: SKU18792 Categories: , ,
    £0.00
  • Jaguar XJR 5.0 Tuning and Jaguar XJR 5.0 Remap Tuning – ECU Remapping.

    Jaguar XJR 5.0 Tuning and Jaguar XJ 5.0 Remap Tuning

     

    Jaguar XJR 5.0 Tuning and Jaguar XJR 5.0 Remapping can be carried out by Paramount Performance at many locations across the UK and around the world.

    Jaguar XJR 5.0 Tuning

    Jaguar XJR 5.0 Tuning

    Our Jaguar XJ tuning and Jaguar XJR remapping is completely custom, with each XJ remap being written live to your vehicle, the Jaguar XJ tuning can take account of your XJ’s modifications, i.e . Paramount Jaguar XJ performance exhaust systems, or sports catalytic convertors as well as your driving requirements and fuel grade.

     

    Paramount operate the very latest range of car tuning and remap software and our dedicated team of car tuning engineers have years of experience working in the prestige and Ferrari car tuning arena.

     

    Jaguar XJ tuning and Jaguar XJR ECU remapping gives a power increases of around 25bhp (depending on precise model) with significantly better throttle response, full custom chip tuning and live rolling road testing and tuning for your Jaguar XJ is available to at any many locations – please ask for details.

    Paramount Performance the home for all your Jaguar XJ 5.0 and XJR 5.0 tuning and performance parts

     

    £499.00

Other Jaguar XJ Modifications you may like:

  • Jaguar 4.0 XJR Supercharger Pulley – Upgraded Supercharger Pulley

    Jaguar 4.0 XJR Supercharger Pulley  – Upgraded Supercharger Pulley   

     

     

     

    Dramatically improves throttle response and midrange power by up to 28bhp. Will bring your Jaguar XJR to life.

     

     

     

    Paramount was the first to adopt and develop the new style of Jaguar XJR modified upper supercharger pulleys, unlike the lower expensive and cumbersome lower supercharger pulleys, the upper smaller pulley does not require an alternative pulley belt meaning the Paramount XJR supercharger pulley is low maintenance and less obviously changed from stock

     

     

     

    Not all Jaguar XJR supercharger pulleys are equal, The Paramount Jaguar XJR supercharger pulley is high-grade stainless steel, some cheap copies are manufactured from Ally and are not of the same quality – buy Jaguar upgrade parts with confidence from Paramount.

    SKU: SKU175371111211122 Categories: , , Tag:
    £250.00
  • Jaguar 4.2 XJR Supercharger Pulley – Upgraded Supercharger Pulley

    Jaguar 4.2 XJR Supercharger Pulley  – Upgraded Supercharger Pulley   

     

    Dramatically improves throttle response and midrange power by up to 28bhp. Will bring your Jaguar 4.2 XJR to life. Paramount were the first to adopt and develop the new style of Jaguar XJR modified upper supercharger pulleys, unlike the lower expensive and cumbersome lower supercharger pulleys, the upper smaller pulley does not require an alternative pulley belt meaning the Paramount jaguar XJR supercharger pulley is low maintenance and less obviously changed from stock

    Jaguar 4.2 XJR Supercharger Pulley

    Jaguar 4.2 XJR Supercharger Pulley

    Not all Jaguar XJR performance supercharger pulleys are equal, The Paramount Jaguar XJR supercharger pulley is high grade stainless steel, some cheap copies are manufactured from Ally and are not of the same quality – buy with confidence from Paramount.

     

    SKU: SKU175371111211121 Categories: , , Tag:
    £250.00
  • Jaguar 5.0 XJR Supercharger Pulley – Upgraded Supercharger Pulley XJ

    Jaguar 5.0 XJR Supercharger Pulley  – Upgraded Supercharger Pulley XJ 

     

    Jaguar XJ 5.0 modified Supercharger Pulley Dramatically improves throttle response and midrange power by up to 28bhp. Will bring your Jaguar xjr 5.0 to life. Paramount were the first to adopt and develop the new style of Jaguar jx 5.0 modified upper supercharger pulleys, unlike the lower expensive and cumbersome lower supercharger pulleys, the upper smaller pulley does not require an alternative pulley belt meaning the Paramount Jaguar XJ 5.0 supercharger pulley is low maintenance and less obviously changed from stock

    Jaguar 5.0 XJR Supercharger Pulley

    Jaguar 5.0 XJR Supercharger Pulley

     

    Not all Jaguar XJ 5.0 supercharger pulleys are equal, The Paramount Jaguar XJR supercharger pulley is high grade stainless steel, some cheap copies are manufactured from Ally and are not of the same quality – buy with confidence from Paramount.

     

    £250.00
  • Jaguar Burble Pop & Bang Tuning

    Jaguar Burble Pop and Bang Tuning

    Want more exhaust tone from your Jaguar, more burble on overrun and more rumble?

    Amazingly this can now be software installed, yep that’s right, download and install more burble, and a more aggressive exhaust tone on overrun and more popping and banging – sometimes known as anti-lag tuning and remapping

    The software can be installed at our workshops or in most cases can be loaded onto our driver operated tuning device so you can tune your own Jaguar F – Type at home any time

    The Paramount burble pop and bang tuning can also be combined with other tunes and remapping, for example, you can add a de-cat software configuration, MAX Power tuning, modification tuning, air indication, or supercharger upgrades software for example – everything is possible and can be combined to give you your own unique software set up – is it burble-O’clock already?

    £499.00
  • Jaguar Exhaust tuning – burble activation

    Jaguar Exhaust tuning – burble activation

    What your Jaguar XJR or Jaguar XF to sound more like an Jaguar F Type with burbles and overrun popping?

    Paramount can tune your software to the exact same level as Jaguar use on the original F type exhaust software, burble activation and growl on overrun and between gear changes

    Paramounts Jaguar exhaust tuning software can be combined with additional changes such as performance tuning, speed limiter de-activation, etc.

    Have your Jaguar set up and tuned the way you want it, not the way it comes.

    £499.00
  • Jaguar Limited Slip Differential – Internal Diff Components for assembly to fit Jaguar XJ

     

    Jaguar XK Quaife Differential units – Jaguar XK Limited Slip Differential

    The Jaguar XK QUAIFE differential will prevent loss of drive and traction that occurs with a standard Jaguar XK differential wheel slips. Whilst requiring some torque in the slipping wheel, the Jaguar XK limited-slip differential QUAIFE Diff unit is progressive in action but does not lock completely – controlled power is transmitted through the limited slip Jaguar XK differential to all the driving wheels. Installation is identical to the normal Jaguar XK differential with bearing pre-loads and pinion mesh being restored to the original Mini differential manufacturers’ settings. Servicing of the Quaife Jaguar XK differential unit is simple as all gear pinions are free fitting and normal final drive lubrication oils are retained.

    Paramount can supply Quaife differentials for almost all Jaguar XK models, if you don’t see what you are looking for please mail us at info@paramount-performance.com

    SKU: SKU1762711111 Categories: ,
    £999.00
  • Jaguar Limited Slip Differential – Internal Diff Components for assembly to fit Jaguar XJ Full diff unit ready to fit

     Jaguar XJ Quaife Differential units – Jaguar  XJ and XJR Limited Slip Differential Full diff unit ready to fit 

     

     

    The Jaguar XJ QUAIFE differential will prevent loss of drive and traction that occurs with a standard Jaguar XJ differential wheel slips.

    Whilst requiring some torque in the slipping wheel, the Jaguar XJ limited slip differential QUAIFE Diff unit is progressive in action but does not lock completely – controlled power is transmitted through the limited slip Jaguar XJ differential to all the driving wheels.

    Installation is identical to the normal Jaguar XJ differential with bearing pre-loads and pinion mesh being restored to the original Mini differential manufacturers’ settings.

    Servicing of the Quaife Jaguar XJ differential unit is simple as all gear pinions are free fitting and normal final drive lubrication oils are retained. 

     Paramount can supply Quaife differentials for almost all Jaguar XJ models if you don’t see what you are looking for please mail us at info@paramount-performance.com   

    See our other performance upgrades for Jaguar Cars

    SKU: SKU17627111111 Categories: , ,
    £2,095.00
  • Jaguar Wheel Spacers 20mm

    Jaguar 20mm Wheel Spacers – sold in pairs

    These high-quality Jaguar wheel spacers really help fill the arches, giving a fuller, more beefed up look, and all-around better stance and presents.

    Our Jaguar wheel spacers are easy to fit and install, full instructions are included, these Jaguar XK Wheel spacers and Jaguar XF wheel spacers are the full bolt-on wheel spacers, not just the cheap pack out spacers that can stress the wheel hubs and bolts.

    Paramount Performance – For all your Jaguar wheel spacers, Jaguar tuning, and Jaguar exhaust systems

    £199.00
  • Jaguar Wheel Spacers 20mm

    Jaguar Wheel Spacers 20mm 

    Jaguar 20mm Wheel Spacers – sold in pairs These high quality Jaguar wheel spacers really help fill the arches, giving a fuller, more beefed up look, and all round better stance and presents. Easy to fit and install, full instructions included, these Jaguar wheel spacers are bolt on, not just the cheap pack out spacers that can stress the wheel hubs and bolts. Paramount Performance for Your Jaguar wheel spacers and anll your Jaguar tuning and performance parts

    £199.00
  • Jaguar Window Tinting & Styling

    Jaguar Window Tinting – VIP Jaguar Styling

    If you are looking for a little more privacy maybe it’s time to tint your Jaguar windows, as well as give a sleeker stylish look, window tinting will give your Jaguar a very practical bonus of keeping the car cooler on hot days and protecting from sun damage and fading. And after all, does everyone really need to see everything you are doing?

    Privacy is important to many of us, Jaguar window tinting is available for all models of Jaguar, it’s a simple and effective way of making your Jaguar a little more private and stylish. Paramount Performance offers UK wide collection and delivery for tinting, tuning and styling, as well as full vehicle wrapping. If you are looking to make your Jaguar look a little more special, Paramount can arrange a full range of window tints in varying shades of colour and darkness.

    Window tinting is just one of many of the discrete styling, tuning and performance upgrades offered by Paramount Performance. From single items, trims and carbon fibre to full performance and power conversions, up to 650bhp! E-mail us now for details info@paramount-performance.com

    Priced here for a 4 door XF – please enquire for a more specific quote if needed.

    £260.00
  • Jaguar XF and XJ Speed limiter removal

    Jaguar XF Speed limiter removal and Jaguar XJ Speed Limiter removal

    Jaguar speed limiter deactivation, speed limiter removal or resetting to your choice of limit

    The deactivation of your Jaguar Speed limiter can be combined with a performance tune at the same time, and for no additional cost, or carried out on it own as a unique service, the choice is yours

    Paramount Performance is the home for all your Jaguar XF and XJ tuning and performance parts

    SKU: SKU1Speed 1 Categories: ,
    £599.00
  • Jaguar XF/XJR Charge Cooler / Intercooler 5.0 V8 Tuning

    Jaguar XF Charge Cooler, Super cool your Jaguar XF Supercharger for super-fast performance (fits XJR too)

    The Paramount Jaguar XF charge cooler is a work of art, really it looks great, its all hand-built in the UK. The Jaguar XF supercharger cooler keeps your supercharger cooler, ideal when running larger upgraded supercharger pulleys or in hot conditions mixed with fast driving

    Our Jaguar XF charge cooler is available for the XF 5.0 and XJR too, Full fitting of our Jaguar coolers and supercharger pulleys is available, able and we also offer worldwide mail order and tax-free sales subject to your location

    See here for our full range of Jaguar tuning and remapping performance parts

    SKU: SKU182363 Categories: ,
    £995.00
  • Jaguar XJ 2.7 Diesel Tuning and Jaguar XJ 2.7 Remap

    Jaguar XJ 2.7 Diesel  Tuning and Jaguar 2.7 Diesel   Remap Tuning

     

    Jaguar XJ 2.7 Diesel  Tuning and Remapping can be carried out by Paramount Performance at many locations across the UK and around the world.

    Our Jaguar XJ 2.7 Diesel   tuning and remapping is completely custom, with each XJ remap being written live to your vehicle, the Jaguar XJ tuning can take account of your XJ’s modifications,

    Paramount operate the very latest range of car tuning and remap software and our dedicated team of car tuning engineers have years of experience working in the prestige and Ferrari car tuning arena.

    Jaguar XJ 2.7 Diesel Tuning

    Jaguar XJ 2.7 Diesel Tuning

    Jaguar XJ 2.7 Diesel  tuning and  ECU remapping gives a power increases of around 45bhp (depending on precise model) with significantly better throttle response, full custom chip tuning and live rolling road testing and tuning for your Jaguar XJ is available to at any many locations – please ask for details.

    Paramount Performance the home for all your Diesel  tuning and performance parts

    £399.00
  • Jaguar XJ 3.6 Exhaust System & Mufflers

    Jaguar XJ 3.6 Exhaust System / Jaguar XJ 3.6 Mufflers

    High-grade stainless steel Jaguar XJ 3.6 exhaust system and Jaguar XJ 3.6 mufflers made to order. Paramount offer an unrivalled range of Jaguar XJR and XJ tuning parts, Jaguar exhaust systems and exhaust mufflers for the complete range of Jaguar cars, including the Jaguar XJR and XJ exhaust system.

    The Jaguar XJ exhaust system sound, look, the finish can all be custom tailored for the desired result, all of our Jaguar XJ exhaust systems come with a lifetime corrosion warranty too

    Performance and stainless steel Jaguar XJ exhaust systems and Jaguar XJ mufflers are available for all Jaguar cars and models if you are not sure, or if you don’t see what you are looking for please e-mail us – we are here to help.

    Paramount the home of the custom performance Jaguar tuning parts

     

    SKU: SKU17548111121 Categories: ,
    £995.00
  • Jaguar XJ 4.0 Exhaust System / Jaguar XJ Exhaust Mufflers 1998 – 2003

    Jaguar XJ 4.0 Exhaust System / Jaguar XJR Exhaust Mufflers 4.0

    High grade stainless steel Jaguar XJ exhaust system exhaust and Jaguar XJ mufflers made to order. Paramount offer an unrivalled range of Jaguar XJR and XJ tuning parts, Jaguar exhaust systems and exhaust mufflers for the complete range of Jaguar cars, including the Jaguar XJR and XJ exhaust system.   

    The Jaguar XJ exhaust system sound, look, finish can all be custom tailored for the desired result, all of our Jaguar XJ exhaust systems come with a life time corrosion warranty too 

    Performance and stainless steel Jaguar XJ exhaust systems and Jaguar XJ mufflers are available for all Jaguar cars and models if you are not sure, or if you don’t see what you are looking for please e-mail us – we are here to help. 

    Paramount the home of the custom performance Jaguar XJexhaust system, Jaguar XJ exhaust mufflers and Jaguar XJR tuning parts   

     

     

      

    SKU: SKU1754811112 Categories: , ,
    £1,375.00

If you have any particular needs for your Jaguar XJ, please complete the form below and one of our Jaguar specialists will contact you shortly