Ferrari 458 - Cat Delete Pipes (with Heat Blankets)**Fits 458 Italia Spider Speciale Challenge. Brackets require mild massaging for models other than the Italia** These lightweight test pipes fit in place of the heavy OEM catalytic converters. Using a test pipes removes the flow restriction a catalytic converter places on an exhaust system, while increasing the horsepower. This version includes custom hand sewn heat blankets to reduce under hood temperatures, protecting the surrounding body, hoses,