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Swallows Racing Stage 2 Package for Jaguar XKR X150 5.0ltr - SRT00015


All Swallows Racing products utilise over 35 years experience in motorsport and are extensively tested on and of the track to ensure the maximum performance for you car with proven results.

Our stage 2 package is designed to replace the rest of the restrictive elements in the exhaust system, this comes in the form of high flow sports cats and an over Axel and backbone delete kit to match the centre section in stage 1. Our system is then mapped to the non restrictive new elements meaning improved breathing and noise, power gains for this stage are between 50-60bhp.

  • Life Time Warranty


Our Swallows Racing stage 2 package for the XKR X150 5.0ltr increases the BHP and Torque of your Jaguar while improving throttle response and mid range power.

Our Stage 2 pack consists of -

-K&N filter

The original high cotton air filter available by K&N reduces air filter restriction allowing and engine to breath easier than the factory fitted paper air filter.

-Swallows Racing developed supercharger pulley

The reduction in size of the upper supercharger pulley works on the same effect as a cycle chain pulley and by reducing the size the faster the smaller pulley spins creating more boost pressure, we have developed the optimum pulley size for the perfect road package.

-Swallows Racing Red Remap

Remapping is a software change where we modify the operating parameters in the vehicle engine ECU to unlock the full potential from the modifications fitted.

-Swallows Racing Stainless Steel X section

By removing the most restrictive part of the cat back exhaust system with a non silenced section the amount of exhaust gasses able to be expelled from the engine increases, a sporty rumble is also gained from the exhaust note.

By increasing the 3 major elements of the engine (Breathing, Boost pressure,and Mapping) we can allow more fuel and air to enter the intake, this gives between 50-bhp - 60bhp over standard* which transforms the car and makes for a more exciting and enjoyable drive.

*All power figures are based on previous dyno development and may vary between models, we always recommend before and after dyno runs for all packages however this is at additional cost.

Warranty Options

In order to provide continuing peace of mind and support throughout the life of your Jaguar, we offer extended warranty packages to compliment our standard 3 month mechanical warranty.

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If you would prefer to purchase over the phone Call +44 (0)1934 750 319