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VAG Engine & DSG Servicing - Onyx Performance

4.6

About this business

Our services include a wide variety from Performance tuning to dyno runs, window tinting and engine carbon cleaning. Using some of the most advanced and sophisticated equipment available, combined with years of experience we are able to tune the vast majority of vehicles on the road today. We offer engine modifications including turbo, supercharger, intercooler, exhaust, induction and suspension upgrades being innovators of performance tuning we work with the top aftermarket part suppliers. 

Location details

Unit F2, Slough, Slough, SL3 7EW, United Kingdom

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WeekdayScheduleStatus
Mon10:00 a.m. to 5:30 p.m.
Tue10:00 a.m. to 5:30 p.m.
Wed10:00 a.m. to 5:30 p.m.
Thu10:00 a.m. to 5:30 p.m.
Fri10:00 a.m. to 5:30 p.m.
Sat10:00 a.m. to 3:00 p.m.
SunClosed
4.6259 reviews
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James Smaggasgale's profile image
James Smaggasgale 
on Google
3 weeks ago

First time using these guys, very helpful and knowledgeable in the business. Got my 2016 VW Polo GTi remapped as well as some Maxton Design splitters added. Did me a big favour getting me booking in on very late notice, did the job within 4 hours of me dropping the car off. Would recommend these guys!! 

Dan May's profile image
Dan May 
on Google
3 weeks ago

Honest and knowledgable! Rare these days - saved me hundreds by checking my Golf R properly. Will only use these guys from now on 

Kdog's profile image
Kdog 
on Google
4 weeks ago

Onyx tuned my Mercedes E53 with their stage 2 package. The result was impressive and well worth the money. They are very knowledgeable and professional. Overall a good service and I would highly recommend. I wouldn’t hesitate to come again with another car or future modifications. 

Frank Stevens's profile image
Frank Stevens 
on Google
4 weeks ago

Took my Audi a4 2 L TDI paid 300 pound cash for stage one map two hours later oil pressure light Engine management light came on so I took it back the very next morning it had not been on the car for 24 hours. I ask them to take it off. They did take it off then told me They was only willing to give half my £300 refund. my car never had an issue at all before it got remapped now I have EGR problems which they told me that was not there issue. my car didn’t have one issue before it went to these guys now I have engine managem... read more

Katie Kirby's profile image
Katie Kirby 
on Google
4 weeks ago

Onyx performance fitted my maxton design splitter, was super speedy, was able to wait in the waiting room, staff were friendly and welcoming. Would highly recommend. Really pleased with how the car looks now! 

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Frequently asked questions about VAG Engine & DSG Servicing - Onyx Performance

How is VAG Engine & DSG Servicing - Onyx Performance rated?

VAG Engine & DSG Servicing - Onyx Performance has a 4.6 star rating with 259 reviews. 

When is VAG Engine & DSG Servicing - Onyx Performance open?

VAG Engine & DSG Servicing - Onyx Performance is closed now. It will open tomorrow at 10:00 a.m. 

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