Are you just using the comparison sites such as Money Supermarket, Go Compare and other similar sites?
The insurers who have products on these sites, and other direct insurers who aren’t on comparison sites such as Direct Line aren’t really geared up for modified vehicle risks for young drivers with low no claims discounts (NCD) or no NCD. Insurers on comparison sites and most direct insurers have business models that are based around them writing large volumes of ‘standard’ business. If you do find one of these mainstream insurers who’ll quote for for you, they’re unlikely to come up with an affordable premium.
Unfortunately, with you being a young driver (under 25) with a performance car and a claims history, that will put you in a high risk category for many insurers. The fact that you’re now considering a few modifications increases the insurance risk.
If you’ve not tried a high street broker, it’d be worth doing so. Many high street brokers will have access to specialist insurance schemes for young driver / high performance risks. Alternatively, it might be worth trying some of the companies mentioned in the ‘sticky’ on the insurance board in this forum - link below;
http://www.golfgtiforum.co.uk/index.php?topic=163615.0I’ve just done a quick ‘Google’ search on ‘modified car insurance for young drivers with claims’ and some of the following might be worth checking out (some of these are also listed in the ‘sticky’ at the link above). I’ve not used any of these so can’t vouch for them personally, but for the sake of a phone call it be worth giving them a call;
https://www.4youngdrivers.co.uk/insurance/modified-car-insurance.htmhttps://www.completecovergroup.com/products/modified-car-insurance/https://www.performancedirect.co.uk/modified-car-insurance/https://www.skyinsurance.co.uk/modified-car-insurance.htmlhttps://www.adrianflux.co.uk/young-drivers/