Description
The Borla CrateMuffler (Part Number: 400832) is engineered specifically for crate and custom-built engines, delivering optimal sound and performance. Crafted from premium T-304 stainless steel, this muffler offers superior durability and corrosion resistance compared to T-400 series materials. Designed with precision CNC manufacturing, it ensures an accurate fit for a range of small and big block Ford engines, including 289, 302, 351W, and larger moderate output engines like 390, 427, 428, and 460 CID V8s. The 2.5-inch offset/center inlet configuration and compact body size allow for versatile installation in various vehicle setups. Its aggressive ATAK sound profile enhances engine tone, while the directional flow design helps to reduce or eliminate drone during operation, making it ideal for performance enthusiasts seeking both sound quality and reliability. The outlet end features a mounting bracket welded to the endcap for easy installation and orientation. Borla stands behind its craftsmanship with a Million-Mile Warranty, reflecting the company’s commitment to quality and performance. Whether you’re upgrading a classic muscle car or building a custom engine, this CrateMuffler provides a tailored exhaust solution that maximizes horsepower and sound without sacrificing durability or longevity.
Features:
- Constructed from premium T-304 stainless steel for durability and corrosion resistance
- Designed for specific Ford small block and big block engines, including 289/302/351W and 390/427/428/460 CID V8s
- Aggressive ATAK sound profile enhances engine tone and performance
- Directional flow design with outlet mounting bracket for customizable sound and drone reduction
- Compact 14″ x 4.35″ x 9″ body size for versatile installation















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