Borla CrateMuffler for Chevrolet Big Block 396/402/427 V8 — ATAK Sound, 2.5 Inch Diameter, Offset/Center Outlet

Description

The Borla CrateMuffler part number 400852 is specifically designed to enhance the sound and performance of Chevrolet big block engines with displacements of 396, 402, and 427 cubic inches. Crafted from premium T-304 stainless steel, this muffler offers superior durability and corrosion resistance compared to T-400 series materials, ensuring long-lasting performance under demanding conditions. Its precision CNC manufacturing guarantees an accurate fit, making installation straightforward and reliable for enthusiasts and professional mechanics alike. The muffler features a 2.5-inch diameter inlet and outlet with an offset/center configuration, measuring approximately 14 inches long with a body width of 4.35 inches and height of 9.10 inches, providing an optimal balance of flow and sound tuning. Its directional flow design includes a mounting bracket welded to the endcap, allowing for precise orientation to achieve the desired exhaust note and reduce drone during operation. The ATAK sound profile delivers an aggressive, deep tone that enhances engine character without sacrificing drivability. When installed, this muffler can dramatically reduce or eliminate drone in specific applications, improving overall driving comfort and exhaust sound quality. Borla stands behind every CrateMuffler with a Million-Mile Warranty, reflecting their commitment to quality and performance. Whether you’re building a custom engine or restoring a classic Chevrolet big block, the Borla CrateMuffler provides a high-performance, durable exhaust solution tailored for optimal sound and power enhancement.

Features:

• Constructed from premium T-304 stainless steel for superior durability and corrosion resistance

• Designed for Chevrolet big block engines with 396, 402, and 427 CID V8 displacements

• s a 2.5-inch diameter inlet and outlet with offset/center configuration

• Precision CNC manufacturing for an accurate fit and quality assurance

• Directional flow design with welded mounting bracket for optimal orientation

• Delivers aggressive ATAK sound profile, tuned for specific engine families

• Reduces or eliminates drone for improved driving comfort

• Backed by a Million-Mile Warranty for peace of mind