AGT - Arwyn's Garage Tuning & Performance

AGT - Arwyn's Garage Tuning & Performance The only 4x4 rolling road tuning specialist in North Wales. Vehicle tuning ECU & TCU remapping from top software developers.
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German car specialists (VAG), Land Rover, Ford & others. Maha 4WD & 2WD Rolling road dyno hire and power runs are available.

09/07/2026

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Cofio ynol at yr Es**rt MK3 a ddaeth atom ni i'w fireinio ac i gael addasiadau caledwedd!

🟒Throwback to the Es**rt MK3 we had in for fine tuning and hardware upgrades!

DM atom i ddarganfod beth allwn ni ei wneud i chi heddiw!
DM us to find out what we can do for you today!

πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

07/07/2026

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Mae ein dyn marchnata ar wyliau yr wythnos hon, felly mwynhewch fwy o'r S3 J*p Import ar ein dyno rolling road! πŸ‘ŒπŸΌ

Our marketing guy is on holiday this week so enjoy some more of the S3 J*p Import on our dyno rolling road! πŸ‘ŒπŸΌ

DM atom i ddarganfod beth allwn ni ei wneud i chi heddiw!
DM us to find out what we can do for you today!

πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

01/07/2026

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Yn cynhesu'r S3 ar y Dyno yn barod am rediad llawn!

🟒 Warming up the S3 on the dyno ready for a full run!

DM atom i ddarganfod beth allwn ni ei wneud i chi heddiw!
DM us to find out what we can do for you today!

πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

AUDI S3 (8P) J*P IMPORT REMAP🏴󠁧󠁒󠁷󠁬󠁳󠁿Yn ddiweddar, daeth yr S3 atom am ail-fapio gan ei fod wedi'i dewnio o'r blaen a doe...
30/06/2026

AUDI S3 (8P) J*P IMPORT REMAP

🏴󠁧󠁒󠁷󠁬󠁳󠁿Yn ddiweddar, daeth yr S3 atom am ail-fapio gan ei fod wedi'i dewnio o'r blaen a doedd y cwsmer ddim yn teimlo ei fod yn rhedeg yn gywir. Ar ôl rhediad cyflym ar y dyno, gwelsom nad oedd yn ei botensial llawn, felly fe wnaethon ni ei ail-fapio gyda Racingline. Roedd peth caledwedd wedi'i osod arno o'r blaen hefyd, gan ei ddyrchafu i Stage 1+.

πŸ“ˆ S1: 316.6 BHP βœ…
πŸ“ˆ 381.2 Nm of torque βœ…

🟒 The S3 was recently in with us for a remap as it's previously tuned and the customer didn't feel like it was running correctly, a quick run on the dyno and we found out it was not at it's full potential, so we remapped it with and it had some hardware installed previously too, taking it up to Stage 1+.

DM atom i ddarganfod beth allwn ni ei wneud i chi heddiw!
DM us to find out what we can do for you today!

πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

26/06/2026

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Rhediad pΕ΅er bonws gyda'r MST MK2 a injan diemwnt Millington 2.5L. πŸ’ͺ🏼 Swil o 9000 RPMs!

🟒 Bonus power run with the MST MK2 Millington 2.5L diamond engine. πŸ’ͺ🏼 Just shy of 9000 RPMs!

Northampton Motorsport

πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

24/06/2026

Rhan / Part 2 of 2

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Newid gΓͺr cyflym gan Sion gyda Julian yn gwrando ar yr injan a Northampton motorsport ar y cyfrifiadur πŸ‘¨πŸΌβ€πŸ’»

🟒 Some quick shifting from Sion with listening in on the engine and on the laptop!

πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Braidd yn hwyr i'r duedd ymestyn picseli, ond roeddwn i'n meddwl y byddai'n edrych yn braf gyda'r MK2! Beth mae...
23/06/2026

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Braidd yn hwyr i'r duedd ymestyn picseli, ond roeddwn i'n meddwl y byddai'n edrych yn braf gyda'r MK2! Beth mae pawb yn ei feddwl?

🟒 Bit late to the pixel stretch trend, but I thought it would look nice with the MST MK2! What does everyone think?

There is nothing scarier than your pride and joy being stolen! 😱 That's why you need the AutoWatch Ghost-II Immobiliser ...
11/06/2026

There is nothing scarier than your pride and joy being stolen! 😱 That's why you need the AutoWatch Ghost-II Immobiliser Security Upgrade for your vehicle!

πŸ‘» Does dim byd mwy brawychus na bod eich car yn cael ei ddwyn! - Uwchraddio Diogelwch ar gyfer eich cerbyd gyda Ghost II Immobiliser.

🟒 Gyda’r cynnydd mewn lladradau cerbydau ar draws y DU, mae un dull o atal unrhyw un rhag dwyn eich car – AutoWatch Ghost-II yw'r peiriant Γ΄l-farchnad CAN Bus immobiliser gwreiddiol. Diogelwch eich cerbyd rhag lladrad fel dim byd arall ar y farchnad heddiw. Ar gais yswirwyr ac yn helpu premiymau IS! πŸ“‰

Key Features:

⚫ Protection from Key Cloning and Key Theft.
⚫ No RF transmissions; cannot be scanned for.
⚫ Cannot be bypassed using standard theft methods.
⚫ Undetectable using diagnostics.
⚫ No wire cutting means safer installations.
⚫ Immobilisation by communicating with the ECU.
⚫ PIN code via buttons on steering wheel/dash.
⚫ Unique user changeable PIN code.
⚫ Service/valet mode means the PIN code is never compromised.
⚫ Secure, unique emergency code should the PIN be forgotten.
⚫ Uses the on-board CAN data network.
⚫ No radio frequency signals.
⚫ No additional fobs.

🟒 With the rise in vehicle theft across the UK, there is one method of stopping anyone from stealing your carβ€”the AutoWatch Ghost-II is the original aftermarket CAN bus immobiliser. Protect your vehicle from theft like nothing else on the market today.

Requested by insurers and helps LOWER premiums! πŸ“‰

πŸ”‘ Gallwn gyflenwi a chodio allweddi newydd ar gyfer unrhyw gerbyd.
We can supply and code new keys for any vehicle. πŸ”‘

Ewch i'n gwefan am ragor o wybodaeth/
Visit our website for more information.
https://www.agtperformance.co.uk/security

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Ar gyfer prisiau ac archebion cysylltwch Ò ni.
For pricing and booking, please get in touch. πŸ“² πŸ“¨

10/06/2026

Rhan/Part 1 of 2 πŸ‘¨πŸΌβ€πŸ’»

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Julian o Millington gyda Sion a Northampton Motorsport yn mireinio a graddnodi'r yr MST MK2 ar ein MAHA dyno.

🟒 with Sion and fine tuning and calibrating the MK2 on our MAHA dyno.

DM atom i ddarganfod beth allwn ni ei wneud i chi heddiw!
DM us to find out what we can do for you today!
πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Yn ddiweddar, daeth technegydd o Millington i mewn gyda MST i helpu i galibro injan Millington yn yr MST MK1 hwn...
09/06/2026

🏴󠁧󠁒󠁷󠁬󠁳󠁿 Yn ddiweddar, daeth technegydd o Millington i mewn gyda MST i helpu i galibro injan Millington yn yr MST MK1 hwn ar ein dyno, gyda Northampton yn tiwnio o bell. Roedd yn ddiwrnod cydweithio llwyddiannus.

🟒 We recently had a Millington Engines technician come in with to help calibrate the Millington engine in this MST MK2 on our dyno with Northampton Motorsport tuning remotely. It was a successful collaboration day.

DM atom i ddarganfod beth allwn ni ei wneud i chi heddiw!
DM us to find out what we can do for you today!
πŸ‘¨β€πŸ’» [email protected] | 01286 875 400 πŸ“²

Address

Unit AH/Penygroes Ind Est
Caernarfon
LL546DB

Opening Hours

Monday 7:30am - 7:30pm
Tuesday 7:30am - 6pm
Wednesday 7:30am - 7:30pm
Thursday 7:30am - 7:30pm
Friday 7:30am - 7:30pm
Saturday 7:30am - 1pm

Telephone

+441286882299

Website

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