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Borla CrateMuffler Resonator Option 2.25in Center/Center 3.5in Round x 10in

SKU: BOR400937

Resonators

BOR CrateMufflers...

Borla CrateMuffler Resonator Option 2.25in Center/Center 3.5in Round x 10in

SKU: BOR400937

Resonators

BOR CrateMufflers...

A$520.55
IN STOCK! Est Ship 4-7 days. In stock at 1 location (8 available)

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Description

Resonator

Perfect for applications with limited space. If you want to lower the sound pressure level (SPL) of your CrateMuffler(r)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 2.25" 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 18003. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel for superior corrosion resistance. 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(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Additional Information

Resonator - Sound Level N/A Resonator - 2.25" Center Inlet/ 2.25" Center Outlet 3.5" Round x 10" Long Body 14" Overall Length Universal Part Reversible Design.

Part Type

Exhaust Muffler

Product Overview

Perfect for applications with limited space. If you want to lower the sound pressure level (SPL) of your CrateMuffler, you can install the Resonator Option. The Resonator Option is designed to attenuate overall sound. This resonator can also be used in any system of this diameter. 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. There is no logo embossment on this part. 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. 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.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:21:36

Data: v4.2 - Upd: 2026-11-08 01:06:03

Features

  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18003.
  • Universal bottle / bullet style resonator. Reversible design.
  • Use with BORLA(r) S-Type CrateMuffler(r) to achieve the Touring sound level

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Body Height (in.):OEM
Body Height:OEM
Body Length (in.):OEM
Body Length:OEM
Body Width (in.):OEM
Body Width:OEM
Construction:All Welded
Description:CrateMuffler; 2.25 in. In/Out; 3.5 in. Round x 10 in. Case Body; Center/Center; Resonator Option; T-304 Stainless Steel;
Grade Type:Performance
Inlet Connection Type:Pipe
Inlet Position:Center
Inlet Size (in.):2.25
Inlet Type:OEM
Main Piping Diameter:2.250 in.
Material:T-304 Stainless Steel
Muffler Count:1
Off Road Use Only:No
Outlet Outside Diameter:2.250 in.
Outlet Position:Center
Outlet Size (in.):2.25
Outlet Type:OEM
Overall Length (in.):OEM
Overall Length:OEM
Part Number:bor400937
Shape:Round
Title Extended:CrateMuffler Resonator Option 2.25in Center/Center 3.5in Round X 10in Part # 400937
Title:CrateMuffler Resonator 2.25in Center Inlet/ 2.25in Center Outlet 3.5in Round X 10in Long Body

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Borla, Borla Exhaust
StreetFX SKU bor400937
SFX Item ID 4224755
Accounting SKU bor-400937
Manufacturer SKU 400937
Manufacturer UPC 808422009379
Alternative References 400937, BOR-400937

Resonator, Stainless Steel, Natural, 2.25 in. Center Inlet/Outlet, 3.50 in. Case O.D., 10.00 in. Case Length, Each

Borla CrateMuffler resonators are show-quality units from the maker of the world's first performance mufflers designed from scratch to optimize the sound and power of crate and custom motors. The resonators are constructed from aircraft-grade stainless steel to ensure a long-lasting showroom finish—and are available in a variety of inlet/outlet diameters. They can easily be maintained using Borla exhaust cleaner and polish. Finish off your CrateMuffler system with the intimidating rumble and power of a Borla resonator!

Product Attributes
UPC808422009379
BrandBorla
QuantitySold individually.
Part TypeResonators
Product LineBorla CrateMuffler Resonators
Resonator FinishNatural
Resonator Material304 stainless steel
Resonator Inlet PositionCenter
Resonator Outlet PositionCenter
Manufacturer's Part Number400937
Case Outside Diameter (in.)3.50 in.
Resonator Case Length (in.)10.000 in.
Resonator Inlet Diameter (in.)2.25
Resonator Overall Length (in.)14.000 in.
Resonator Outlet Diameter (in.)2.25

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