Frequently Asked Questions – Rennworks Performance
Porsche & McLaren Performance Parts, Tuning & Upgrades
Who are Rennworks Performance?
Rennworks Performance is the online shop of Rennworks, an established specialist Porsche and McLaren workshop with decades of real-world, hands-on experience.
Rennworks Performance supplies premium performance parts, tuning upgrades, and accessories to customers in the UK, Europe, and worldwide, offering the same high-quality components that we install, test, and trust in our own workshop.
What brands do you stock?
We supply a carefully curated range of premium aftermarket and OEM manufacturers for Porsche and McLaren vehicles. Our catalogue includes industry-leading brands such as AST Suspension, MOTON, KW Suspension, CSF, Quicksilver Exhausts, Kline Innovation, JCR Developments, Novitec, Wavetrac, and BMC, alongside OEM manufacturers and original equipment suppliers.
All brands available through Rennworks Performance are brands we actively install and trust at Rennworks, ensuring confidence in quality, compatibility, and long-term reliability.
Are your parts genuine and new?
Yes. All products sold through Rennworks Performance are brand new and 100% genuine, supplied directly from OEM manufacturers, original equipment suppliers, or authorised aftermarket brands.
Porsche Models & Compatibility
Do you sell parts for all Porsche models?
We supply performance parts and upgrades for a wide range of Porsche models, including:
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911 (996, 997, 991, 992)
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Cayman & Boxster (987, 981, 718)
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Cayenne
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Macan
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Taycan
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Porsche GT and RS models
Depending on model and specification, available upgrades include coilover suspension systems (KW, AST, MOTON), cooling solutions (CSF), exhaust systems (Quicksilver, Kline, Novitec), intake upgrades (BMC), and drivetrain components such as Wavetrac differentials.
Do you support Porsche GT models (GT2, GT3, GT4 and RS models)?
Yes. Rennworks Performance supports Porsche GT and RS models, including GT2, GT3, GT4, and RS variants, with upgrades selected from brands we install and test at Rennworks.
GT and RS models demand motorsport-grade, model-specific components engineered to perform under extreme conditions. We focus on solutions such as MOTON and AST suspension systems, KW Clubsport coilovers, CSF cooling upgrades, and high-performance exhaust solutions, ensuring reliability for fast road and track use.
McLaren Models & Compatibility
Do you sell parts for McLaren vehicles?
Yes. Rennworks Performance supplies performance parts and upgrades for a wide range of McLaren Sports Series, Super Series, and Ultimate Series models, including:
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MP4-12C
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650S
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570S / 570GT
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540C
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600LT
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720S
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765LT
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Selected limited and special edition models
Available upgrades include suspension systems (KW, AST, MOTON), cooling upgrades (CSF), and performance exhaust systems (Quicksilver Exhausts, Novitec), all selected based on real-world installation and setup experience at Rennworks.
Installation & Workshop Services
Do you offer installation?
Yes. Rennworks, our specialist Porsche and McLaren workshop, offers professional installation, setup, diagnostics, and performance services.
The Rennworks workshop is based in Stevenage, Hertfordshire, and supports customers across the South East and wider UK, including London, Hertfordshire, Bedfordshire, Buckinghamshire, Essex, Cambridgeshire, and Oxfordshire. We also regularly work with customers travelling from other parts of the UK.
Wherever possible, we highly recommend customers use the Rennworks workshop for installation, ensuring correct fitment, optimal setup, and full aftercare support.
Can I still buy parts without installation?
Absolutely. Rennworks Performance supplies parts throughout the UK — including England, Wales, Scotland, and Ireland — as well as Europe and worldwide. Customers are free to use their preferred installer if visiting the Rennworks workshop is not an option.
Ordering, Lead Times & Shipping
Where do you ship?
Rennworks Performance ships to customers in the UK, Europe, and worldwide. Shipping costs and delivery times vary depending on destination and product size.
Will I need to pay import duties or taxes?
Customers outside of the UK may be required to pay local import duties, taxes, or customs charges, depending on their country’s regulations. These charges are the responsibility of the customer and are not included in the purchase price or shipping cost.
Are all items held in stock?
Not all items are held in stock. Some products are bespoke and made to order, particularly coilover suspension kits and exhaust systems. In these cases, delivery times may be longer.
Can I check availability before ordering?
Yes. If you’d like to confirm availability, lead times, or suitability, feel free to contact us before making a purchase.
Warranty, Returns & Policies
Do your products come with a warranty?
Most products supplied by Rennworks Performance come with a manufacturer’s warranty, subject to the manufacturer’s terms and correct installation. Warranty coverage can vary by brand and product, and full details are available upon request.
Can I return a product?
Returns are accepted in line with our Returns Policy, provided items are unused and in original packaging.
Can I return special order or made-to-order items?
Special order, bespoke, or made-to-order items are non-returnable and non-refundable, as they are manufactured or supplied specifically to order. This does not affect your statutory rights. If you are unsure whether a product is classified as special order or made to order, please contact us before placing your order.
Where can I find your policies?
For full details on our returns, delivery, and privacy policies, please visit the relevant links in the website footer. If you have any questions or need clarification, feel free to contact us and we’ll be happy to help.
Contact Rennworks Performance
How can I contact you?
You can reach us via our contact form or email for expert advice on fitment, lead times, shipping, or selecting the right performance upgrades for your Porsche or McLaren.