Beware
Beware! The sills did not fit my Mazda and the Company will not make a refund!!! You are asked for 'car brand' and 'car model' but there is no cross-referencing to ensure they will fit. Make sure they will fit 100% correctly otherwise you will be wasting your money. They also drag out their refusal, with multiple emails, asking for unnecessary photos and videos when it ultimately becomes clear they have no intention of ever giving a refund. My advice would be to avoid such a Company. UPDATE: A response from the Company on the 13th April 2026 following my review of the 10th February 2025 - that's right over 14 months to reply!!! Also they suggest I use an alternative email - why don't they use that email and start the investigation process.
By Mr Alan R.
Response from Add-On Design· Apr 13, 2026
I apologize for the frustration, Alan. We take product quality and customer service very seriously. We haven't been able to locate your order details here, so please reach out to [email protected] with your order #. I’d like to resolve this for you personally.

