SEAT - Exhaust - SEAT - Exhaust: browse our selection on NSB concept. Find exhaust and seat and compare options. Filter by reference, fitment and specs to pick the right part. Ready to enter…SEAT - Exhaust - SEAT - Exhaust: browse our selection on NSB concept. Find exhaust and seat and compare options. Filter by reference, fitment and specs to pick the right part. Ready to enter your Seat in a race? Whether you have an Ibiza, an Altea, a Toledo sedan, a Cordoba, or a Leon, you dream of achieving the best lap times! However, before tackling a rally or circuit race, you'll need to upgrade your car by overhauling the... Search by part number / model Specs & fitment details For maintenance and performance builds How to choose? Match the original part number or key specs (dimensions, type, mounting) and check fitment notes. Not sure? Use the category filters or reach out with your vehicle details and the reference you need.