The Borla CrateMuffler ATAK 400852 is a high-performance exhaust muffler designed specifically for crate and custom-built engines, including Chevrolet Big Block 396, 402, and 427 models. Constructed from durable T-304 stainless steel, this oval muffler features an aggressive sound profile combined with optimized flow characteristics to improve exhaust efficiency and auditory presence. Its ATAK (Acoustically Tuned Applied Kinetics) design delivers a bold, race-inspired tone suitable for enthusiasts seeking enhanced sound and performance. The muffler’s 2.5-inch offset/center inlet and 14-inch length with a 4.35-inch oval shape ensure a precise fit and effective exhaust flow, making it an ideal upgrade for performance applications.
Designed for universal fitment, the Borla CrateMuffler ATAK is suitable for a variety of crate and custom engine setups, primarily targeting street and track use. It is compatible with Chevrolet Big Block engines, specifically the 396, 402, and 427 cubic inch displacements. This bolt-on component serves as an aftermarket upgrade to improve exhaust sound and flow, enhancing overall engine performance. The kit includes the muffler itself, with no additional components specified, and is intended for installation on compatible vehicle configurations that require a high-performance, race-inspired exhaust solution.
