Demon Performance

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Demon Performance 🚗 Demon Performance | Where your vehicle matters. Specialists in ECU remapping, Stage 1,2 & custom, servicing, diagnostics and light mechanical repairs.

Fully mobile service available. Quality workmanship, honest advice & A* customer service

Nice little Vauxhall Corsa 1.4t in today for one of our stage 1 tunes 🫡Nearly died when we scanned the vehicle for fault...
10/10/2026

Nice little Vauxhall Corsa 1.4t in today for one of our stage 1 tunes 🫡

Nearly died when we scanned the vehicle for faults and there wasn't a single one 🫶🙌

A few jobs have been completed this week 🫡 and in true Danny fashion he's forgotten to update socials and grab pictures ...
10/10/2026

A few jobs have been completed this week 🫡 and in true Danny fashion he's forgotten to update socials and grab pictures 🤦 will he learn? Possibly at some bloody point 😖🥴

Battery/alternator test on a petrol Mercedes A class, battery was found to be the issue

Electrical issue on a diesel Mercedes A class, offside front abs sensor was found to be at fault but someone had bodged the wiring

Offside rear fog light on a VW Beetle, also found sketchy wiring 🥴

Custom stage 2 tune with a nasty hardcut limiter on a VW Golf

So a nice steady week and next week's diary is booking up nicely aswell 😊 if you require any diagnostics, remapping, servicing etc. Then please give us a message and see how we can help YOU 🫡🙌🫶

Need a remap? Whether your just looking for emissions solutions, eco, stage 1 or more....we can help 🫶🫡Had a remap else ...
06/10/2026

Need a remap? Whether your just looking for emissions solutions, eco, stage 1 or more....we can help 🫶🫡

Had a remap else where and have doubts? We can check it for you and advise further and help get what you want!

Contact us today to see what we can do for you 💙

Sometimes fixing the tiniest thing can make our customers happy.Customer has a vauxhall zafia tourer and every time they...
25/09/2026

Sometimes fixing the tiniest thing can make our customers happy.

Customer has a vauxhall zafia tourer and every time they filled their washer bottle it would just flood out underneath.

They called us and asked if we could take a look, after removing the wheel and arch liner we could immediately see why 🥴

Some how one of the pipes had come off, so it was simply a case of refitting it and job done 🫡🥰

Remember no job is silly or to small!

Now taking bookings for next week and beyond 🫡😎🫶
24/09/2026

Now taking bookings for next week and beyond 🫡😎🫶

Another VW today for brake caliper issues 😲🥴This one had a stuck caliper on the drivers front which was holding the pads...
21/09/2026

Another VW today for brake caliper issues 😲🥴

This one had a stuck caliper on the drivers front which was holding the pads onto the disc 😬

Got it all stripped down, replaced and customer sent on his way 🫶

Another job completed and another happy customer 🫡

We are now taking bookings for next week 🫶 if you require any of our services such as remapping, ecu work, BMW E chassis...
18/09/2026

We are now taking bookings for next week 🫶 if you require any of our services such as remapping, ecu work, BMW E chassis work, mot failure work etc etc then please throw us a message and will endeavour to help you as best as we can 🫡💙

Much love,

Your team of 2 at Demon Performance 😈

At Demon Performance we dont just carry out ecu work and all manners of remapping, we also offer servicing and light mec...
17/09/2026

At Demon Performance we dont just carry out ecu work and all manners of remapping, we also offer servicing and light mechanical repairs carried out at your home or place of work for your convenience 🫶🙏

If you need us for anything at all big or small just give us a message and we will do our best to help 🫡

Call out yesterday to this Vauxhall Corsa E.Client had just purchased it and wanted an overall health check along with a...
16/09/2026

Call out yesterday to this Vauxhall Corsa E.
Client had just purchased it and wanted an overall health check along with an oil and oil filter change.
During the health check we spotted the coolant fl**ge on the side of the block was leaking, a very common failure point on these.

Armed with the correct parts we set about completing the job and it was no wonder the fl**ge was leaking 😲👀😬

All sorted at their home, no mess, no hassle just honest and reliable 🫶🫡

If you have any issues with your car/van dont hesitate to contact us 💙

As always stay sexy and take care of your pride and joy.

Address

Ellesmere Port
CH653DF

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