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I have an ecommerce website which sells a product that has many different variations based on a vehicle’s make, model, and year. Currently, we sell this product on one page “www.cargoliner.com/products.php?did=10001” and we show a modal to sort through each make, model, and year. This is important because based on the make, model, and year, we have different prices/configurations for each. For example, for the Jeep Wrangler and Jeep Cherokee, we might have different products: Ultimate Pet Liner - Jeep Wrangler 2011-2013 - $350 Ultimate Pet Liner - Jeep Wrangler 2014 - 2015 - $350 Utlimate Pet Liner - Jeep Cherokee 2011-2015  - $400 Although the typical consumer might think we have 1 product (the Ultimate Pet Liner), we look at these as many different types of products, each with a different configuration and different variants. We do NOT have unique content for each make, model, and year. We have the same content and images for each. When the customer selects their make, model, and year, we just search and replace the text to make it look like the make, model, and year. For example, when a custom selects 2015 Jeep Wrangler from the modal, we do a search and replace so the page will have the same url (www.cargoliner.com/products.php?did=10001) but the product title will say “2015 Jeep Wrangler”. Here’s my problem: We want all of these individual products to have their own unique urls (cargoliner.com/products/2015-jeep-wrangler) so we can reference them in emails to customers and ideally we start creating unique content for them. Our only problem is that there will be hundreds of them and they don’t have unique content other than us switching in the product title and change of variants. Also, we don’t want our url www.cargoliner.com/products.php?did=10001 to lose its link juice. Here’s my question(s): My assumption is that I should just keep my url: www.cargoliner.com/products.php?did=10001 and be able to sort through the products on that page. Then I should go ahead and make individual urls for each of these products (i.e. cargoliner.com/products/2015-jeep-wrangler) but just add a “nofollow noindex” to the page. Is this what I should do? How secure is a “no-follow noindex” on a webpage? Does Google still index? Am I at risk for duplicate content penalties? Thanks!