Borla CrateMuffler

Universal Fitment

Part #: 400826

Overview

The Borla 400826 CrateMuffler is a high-performance exhaust component designed specifically for small block Chevy V8 engines, including 283, 327, and 350 cubic inch displacements. Crafted from durable T-304 stainless steel, this oval muffler combines longevity with a sleek, natural finish. Its compact size and optimized design make it an ideal choice for enthusiasts seeking to enhance their vehicle’s sound and exhaust flow without sacrificing reliability. Whether you're restoring a classic or building a performance-oriented street machine, this muffler helps deliver a refined exhaust note while supporting your vehicle’s overall performance and durability.

Key Features

This CrateMuffler features a purpose-built design aimed at maximizing exhaust efficiency and sound quality. Made from high-grade stainless steel, it offers excellent corrosion resistance and longevity. Its oval body measures 14 inches by 4.35 inches and is 9 inches long, providing a compact yet effective muffling solution. The 2.5-inch offset inlet and centered outlet facilitate straightforward installation and optimal exhaust flow. The ATAK® sound profile delivers a deep, aggressive tone that enhances driving engagement. Its small block Chevy-specific design ensures a precise fit and seamless integration with stock or modified exhaust systems. The muffler’s construction supports improved exhaust response and a more refined engine note, making it suitable for both daily driving and performance applications.

Construction & Design

Constructed from premium T-304 stainless steel, the Borla CrateMuffler is engineered for durability and corrosion resistance. Its oval shape and compact dimensions are designed to fit neatly within a variety of small block Chevy exhaust setups, providing a balance of performance and aesthetics. The offset inlet and centered outlet are precisely machined for a secure fit, ensuring optimal exhaust flow and minimal backpressure.

Driving Feel & Feedback

This muffler helps produce a distinctive, aggressive exhaust tone that enhances the driving experience. It supports improved exhaust flow, which can contribute to a more responsive throttle feel and a satisfying engine sound. The design emphasizes durability and consistent performance, ensuring your vehicle maintains its character over time.

Installation & Fitment

Installation involves straightforward bolt-on mounting, compatible with 2.5-inch exhaust systems. Proper fitment should be verified against your vehicle’s specific configuration and the part number provided.

What’s Included

Each package includes one Borla CrateMuffler with the specified dimensions and finish, ready for installation on compatible small block Chevy engines. Hardware and mounting accessories are not included and may require separate purchase.