Specifications
- Brand
- Borla
- Part #
- 400937
- UPC
- 808422009379

Borla CrateMuffler Resonator Option 2.25in Center/Center 3.5in Round x 10in
$154.99
Borla Resonator Option for CrateMufflers. Reduces sound pressure level by 2-3 dB(A) with a straight-through design. Universal fit.
Key Features
- Fits vehicles with 2.25-inch center inlet and center outlet exhaust systems.
- Reduces sound pressure level by 2-3 dB(A) for a quieter exhaust note.
- Straight-through design maintains exhaust flow and vehicle performance.
- Constructed from T-304 austenitic stainless steel for rust resistance.
- Features high-temperature continuous-filament fiber acoustic material for sound control.
- Reversible design offers installation flexibility.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This Borla Resonator Option is designed to work with their CrateMufflers, or any exhaust system with a 2.25-inch diameter. If you're looking to quiet down your exhaust a bit without sacrificing performance, this resonator can help. It's built to reduce the overall sound pressure level by about 2 to 3 dB(A), giving you a more comfortable sound without choking your engine.
It's made from T-304 stainless steel, so you know it's going to hold up well and resist rust, even in tough conditions. The straight-through design means it won't restrict exhaust flow, so your engine can still breathe freely. Inside, it uses a high-temperature fiber material to absorb sound. The reversible design gives you flexibility during installation, and the natural mill finish means you can polish or brush it to match your setup before welding it in. The un-notched necks are ready for a weld-in installation, or you can use 3-inch wide band clamps if that's your preference.
This resonator is a compact choice, perfect for applications where space is tight. It's a universal part, so it can be used in many different exhaust setups where a 2.25-inch center-in, center-out connection is needed.
Specifications
- Brand
- Borla
- Manufacturer Part #
- 400937
- UPC
- 808422009379
Frequently Asked Questions
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