Mazda 6 Accessories from Stage 1 Customs, aftermarket accessories and performance. Are you looking to buy Aftermarket accessories to upgrade your Mazda 6? If so you came to the right place. We provide you with easy to use links to our accessories. Stage 1 Customs feature quality name brands at competitive pricing. We back up our sales with great customer service you can trust. In other words we will take great care of you when it comes to modifying your Mazda 6.