Borla CrateMuffler Resonator 3-inch Center/Center | Compact Bullet Style Sound Attenuation

Perfect for applications with limited space. If you want to lower the sound pressure level (SPL) of your CrateMuffler®s, you can install this resonator. This compact bottle / bullet style resonator can also be used as a universal resonator in any system of this diameter. The Resonator is designed to attenuate overall sound. This is perfect for customers looking to reduce the sound level 2-3 dB(A). This straight-through design will not degrade the performance of your vehicle. Resonator dimensions 3" Center Inlet/ 3" Center Outlet, 4" Round, 10" Long Body 15" Overall Length. Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18006. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. There is no logo embossment on this part. Best of all, it's made in the USA and backed by BORLA®'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. Resonator - Sound Level N/A Resonator - 3" Center Inlet/ 3" Center Outlet 4" Round x 10" Long Body 14" Overall Length Universal Part Reversible Design.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18006.
• Use with BORLA® S-Type CrateMuffler® to achieve the Touring sound level
• Universal bottle / bullet style resonator. Reversible design.
• Compact size is perfect for applications with limited space

Designed for vehicles with limited space, the Borla CrateMuffler Resonator Part Number 400939 offers effective sound reduction without compromising performance. This 10-inch long, 4-inch round resonator features a straight-through, free-flow design that helps lower sound pressure levels by approximately 2-3 dB(A), making it ideal for achieving a quieter exhaust tone. The resonator's reversible design provides installation flexibility, allowing you to weld or clamp it into various systems with a 3-inch inlet and outlet. Crafted from high-quality T-304 stainless steel, the resonator is corrosion-resistant and built for durability, ensuring long-lasting performance even in demanding conditions.
Its compact and lightweight construction makes it suitable for applications where space is limited, while the natural mill finish allows for customization through brushing or polishing before installation. The resonator's acoustic material, composed of high-temperature continuous-filament fiber (CFF), effectively attenuates sound without affecting exhaust flow or vehicle performance. The un-notched necks are designed for weld-in installation, but 3-inch wide band clamps can also be used for a secure fit. Made in the USA, this resonator is backed by Borla's Million-Mile warranty, reflecting the brand's commitment to quality and customer satisfaction.
Whether used alone or in conjunction with Borla's S-Type CrateMuffler, this resonator helps achieve a refined, touring sound level. Its universal, bottle/bullet style design makes it adaptable to a variety of exhaust systems, providing a versatile solution for automotive enthusiasts seeking a quieter, high-performance exhaust setup.

Features:

• Compact bottle/bullet style resonator designed for limited space applications

• Attenuates sound pressure level by approximately 2-3 dB(A) for a quieter exhaust tone

• Reversible design for flexible installation options, weld-in or clamp-in compatible

• Constructed from high-quality T-304 stainless steel for corrosion resistance and durability

• Natural mill finish allows for custom brushing or polishing prior to installation

• High-temperature CFF acoustic material provides effective sound control without performance loss

• Universal fit with 3-inch center inlet and outlet, 4-inch round body, and 10-inch length

• Made in the USA and backed by Borla’s Million-Mile warranty

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: t
Units Per Sku: 1