Borla 400846 CrateMuffler S-Type Muffler for Chevrolet Small Block 283/327/350 V8

BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. This muffler is tuned for the Chevrolet Small Block 283/ 327/ 350 CID V8 engine family. The directional design provides the classic S-Type sound and will dramatically reduce, or eliminate drone on specified applications. Add resonator 400937 to attain the Touring sound. Muffler dimensions 2.25" Offset inlet/ 2.25" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit and best of all, BORLA(r) stands behind every CrateMuffler(r) with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. CrateMuffler, Chevrolet Small Block 283/ 327/ 350 CID V8 Stock Output, 2.25" Offset inlet/ 2.25" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length, S-Type. 22-25 Volkswagen GTI

• 2.25" Offset Inlet/ 2.25" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length
• When installed on cataloged applications, they will reduce, or eliminate drone
• Mufflers have directional flow. Outlet end has mounting bracket on it.
• Add resonator 400937 to attain the Touring sound level
• CrateMuffler(r)s are tuned for specific engines

The Borla 400846 CrateMuffler is purpose-built for Chevrolet Small Block 283, 327, and 350 CID V8 crate and custom-built engines. Tuned to produce Borla's distinctive S-Type exhaust note, this directional muffler delivers an aggressive, performance-oriented sound while helping reduce or eliminate unwanted cabin drone on specified applications. The outlet is identified by the mounting bracket welded to the end cap, making installation orientation clear.

This CrateMuffler features a 2.25-inch offset inlet and 2.25-inch offset outlet in an oval body design. Its premium T-304 stainless steel construction offers excellent corrosion resistance, long-term durability, and dependable performance compared with lower-grade 409 stainless steel. Precision CNC manufacturing supports accurate fitment and consistent quality, while Borla's Million-Mile Warranty reflects the brand's confidence in its exhaust products. Add Borla resonator 400937 when a quieter Touring sound level is preferred.

Brief Description: Directional S-Type performance muffler engineered for Chevrolet Small Block 283/327/350 CID V8 engines and custom exhaust systems.

What's Included: One Borla 400846 CrateMuffler S-Type muffler. Exhaust clamps, tubing, and installation hardware are not included unless specified by the installer or application kit.

Fitment: Tuned for Chevrolet Small Block 283, 327, and 350 CID V8 crate and custom-built engine applications. Verify exhaust routing, inlet and outlet orientation, and available clearance before installation. The source catalog data also references 2022-2025 Volkswagen GTI; confirm application compatibility with the vehicle and exhaust manufacturer before purchase.

Features:

• Performance Sound: Produces Borla's classic S-Type exhaust tone for Chevrolet Small Block 283/327/350 CID V8 engines.
• Drone Reduction: Directional design helps reduce or eliminate unwanted exhaust drone on specified applications.
• Precision Fit: CNC-manufactured construction supports accurate fitment and consistent installation results.
• Durable Construction: Premium T-304 stainless steel provides strong corrosion resistance and long-lasting exhaust performance.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1