Black Friday 2026
Up to 20% off Cobra, Milltek, AST, MOTON, K&N and more. Applied automatically, 16 Nov to 1 Dec. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏
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String Theory Garage · Black Friday Sale |
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Black Friday starts Monday.
From Monday 16 November until Tuesday 1 December, we're taking up to 20% off the brands we stock, fit and run on our own cars.
No codes needed. Discounts are applied automatically on the website.
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The sale at a glance
| 20% OFF |
Cobra Seats | Milltek | K&N | AST Suspension | MOTON Suspension |
| UP TO 15% |
MMX |
| 15% OFF |
PWRD | STG Wheel Spacers | STG Exhaust Stud Kits | STG GR Yairs Brake Ducts | More |
| 10% OFF |
Cargraphic | Mantis | EVO Corse Wheels | AST 4100 GR Yaris Kit | GR Yaris Half Roll Cage (in stock) |
| UP TO 5% |
Everything else in store |
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Want it fitted?
Fitting is available at String Theory Garage. Sale prices apply to parts bought supply only, not to fitted options that are already discounted. See our services.
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Next Day UK Delivery
Worldwide shipping |
Secure Payments
Shopify, PayPal & Klarna |
5.0★ Google Reviews
From our customers |
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Sale terms: Sale runs from 00:00 on Monday 16 November to 23:30 on Tuesday 1 December 2026 (UK time). Discounts apply to supply-only purchases and are not available on fitted options that are already discounted. Discounts are applied automatically on the website. "Up to" means the discount varies by product. |
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