Description
CrateMuffler
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 LS3 6.2L V8 engine family. The directional design provides the classic S-Type sound and will dramatically reduce, or eliminate drone on specified applications. Add resonator 400938 to attain the mellow Touring sound. Muffler dimensions 2.5" Offset Inlet/ 2.5" Center 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.
Additional Information
CrateMuffler, Chevrolet LS3 6.2L V8 Stock Output, 2.5" Offset Inlet/ 2.5" Center Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length, S-Type.
Part Type
Exhaust Muffler
Product Overview
Borla's CrateMuffler 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. The directional design provides custom sound, tuned for each engine family and will dramatically reduce, or eliminate drone on specified applications. 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-controlled CNC manufacturing ensures an accurate fit and best of all, Borla stands behind every CrateMuffler with a 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 17:21:22
Features
- 2.5" Offset Inlet/ 2.5" Center Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length
- Add resonator 400938 to attain the Touring sound level
- CrateMuffler(r)s are tuned for specific engines
- Mufflers have directional flow. Outlet end has mounting bracket on it.
- When installed on cataloged applications, they will reduce, or eliminate drone
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.): | 9 |
| Body Height: | 9.000 in. |
| Body Length (in.): | 14 |
| Body Length: | 14.000 in. |
| Body Width (in.): | 4.35 |
| Body Width: | 4.350 in. |
| Construction: | All Welded |
| Description: | CrateMuffler; 2.5 in. In/Out; 14 in. L x 4.35 in. W x 9 in. H; Offset/Center; S-Type Sound Level; |
| Grade Type: | Performance |
| Inlet Connection Type: | Pipe |
| Inlet Outside Diameter: | 2.500 in. |
| Inlet Position: | Offset |
| Inlet Size (in.): | 2.5 |
| Inlet Type: | Single Center |
| Main Piping Diameter: | 2.500 in. |
| Material: | T-304 Stainless Steel |
| Muffler Count: | 1 |
| Off Road Use Only: | No |
| Outlet Outside Diameter: | 2.500 in. |
| Outlet Position: | Center |
| Outlet Size (in.): | 2.5 |
| Outlet Type: | Single Center Outlet |
| Overall Length (in.): | 14 |
| Overall Length: | 14.000 in. |
| Part Number: | bor400944 |
| Shape: | Rectangular |
| Title Extended: | CrateMuffler LS3 Chevrolet 6.2L Stock Output 2.5in Offset/Center 14inx4.35inx9.10in S-Type Part # 400944 |
| Title: | CrateMuffler Muffler Chevrolet LS3 6.2L V8 Stock Output 2.5in Offset Inlet/ 2.5in Center Outlet S-Type |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Borla, Borla Exhaust |
| StreetFX SKU | bor400944 |
| SFX Item ID | 4224571 |
| Accounting SKU | bor-400944 |
| Manufacturer SKU | 400944 |
| Manufacturer UPC | 808422009447 |
| Alternative References | 400944, BOR-400944 |
Muffler, S-Type CrateMuffler, Oval, Stainless Steel, Natural, 2.50 in. Offset Inlet, 2.50 in. Center Outlet, Chevy, Each
"Lead the Heard" with Borla S-Type CrateMufflers. Specifically designed, engineered, and tuned to optimize the power and sound of your classic stock, crate, or custom-built engine, they deliver the intoxicating Borla "Sound of Power" with every squeeze of the throttle. They feature an enhanced combination of packing filament, straight-through core dimensions, perforation patterns, and cylindrical shapes. Purpose-built from aircraft-grade, T-304 stainless steel, they offer a race-inspired design to relieve the most restriction possible and bring the most power out of your engine. They feature an easily maintained finish, ensuring long-lasting showroom looks.
| Product Attributes | |
|---|---|
| Brand | Borla |
| Manufacturer's Part Number | 400944 |
| Part Type | Mufflers |
| Product Line | Borla S-Type CrateMufflers |
| UPC | 808422009447 |
| Muffler Material | 304 stainless steel |
| Inlet Diameter (in.) | 2.50 in. |
| Outlet Diameter (in.) | 2.50 in. |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Internal Construction | Perforated tube |
| Inlet Location | Offset |
| Outlet Location | Center |
| Case Shape | Oval |
| Reversible | No |
| Muffler Finish | Natural |
| Case Exterior Length (in.) | 14.00 in. |
| Overall Length (in.) | 19.00 in. |
| Thickness (in.) | 4.350 |
| Width (in.) | 9.000 in. |
| End Cap Material | Stainless steel |
| End Cap Color | Natural |
| End Cap Type | Oval |
| Outlet Style | Standard, without tip |
| Remanufactured | No |
| Quantity | Sold individually. |
| Notes | S-Type style muffler. Tuned for LS3 crate engines. |
Brochures
Compatibility
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