The Vibrant Performance 2453 Turbo Exhaust Merge Collector T4 1.5" Nominal 4 Into 1 is a high-quality exhaust header collector designed for performance vehicles. Made in the United States by Vibrant Performance, this collector features a natural surface finish and is a genuine performance part. With its 4 into 1 design, this collector helps to merge multiple exhaust streams into a single outlet, improving overall performance and efficiency. Perfect for auto enthusiasts looking to upgrade their exhaust system, this product delivers reliable and dynamic results.