Borla CrateMuffler BB Mopar 383/413/426/440 ATAK 2.5in Offset/Offset 14inx4.35inx9in Oval Muffler
Borla CrateMuffler BB Mopar 383/413/426/440 ATAK 2.5in Offset/Offset 14inx4.35inx9in Oval Muffler
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 Chrysler/ Dodge/ Plymouth (Mopar) Big Block 396/ 402/ 427 CID V8 engine family. The directional design provides the aggressive ATAK(r) sound and will dramatically reduce, or eliminate drone on specified applications. Muffler dimensions 2.5" Offset Inlet/ 2.5" 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.
Additional Information
CrateMuffler, Chrysler/ Dodge/ Plymouth (Mopar) Big Block 383/ 413/ 426/ 440 CID V8 Moderate Output, 2.5" Offset Inlet/ 2.5" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length, ATAK.
Part Type
Exhaust Muffler
Product Overview
BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors. This CrateMuffler(r) features the aggressive ATAK(r) sound. 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 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.
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:21:31
Features
- 2.5" Offset Inlet/ 2.5" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length
- 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.): | OEM |
| Body Height: | OEM |
| Body Length (in.): | OEM |
| Body Length: | OEM |
| Body Width (in.): | OEM |
| Body Width: | OEM |
| Construction: | All Welded |
| Description: | CrateMuffler; 2.5 in. In/Out; 14 in. x 4.35 x 9 in. Case Body; Offset/Offset; Oval; For Big Block Chrysler; Atak Sound; T-304 Stainless Steel; |
| Grade Type: | Performance |
| Inlet Connection Type: | Pipe |
| Inlet Outside Diameter: | 2.500 in. |
| Inlet Position: | Offset |
| Inlet Size (in.): | 2.5 |
| Inlet Type: | OEM |
| 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: | Offset |
| Outlet Size (in.): | 2.5 |
| Outlet Type: | OEM |
| Overall Length (in.): | OEM |
| Overall Length: | OEM |
| Part Number: | bor400943 |
| Shape: | Oval |
| Title Extended: | CrateMuffler(r) Muffler Chrysler/ Dodge/ Plymouth/ Mopar Big Block 383/ 413/ 426/ 440 CID V8 Moderate Output 2.5 in. Offset Inlet/ 2.5 in. Offset Outlet ATAK(r) Part # 400943 |
| Title: | CrateMuffler(r) Muffler Chrysler/ Dodge/ Plymouth/ Mopar Big Block 383/ 413/ 426/ 440 CID V8 Moderate Output 2.5 in. Offset Inlet/ 2.5 in. Offset Outlet ATAK(r) |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Borla, Borla Exhaust |
| StreetFX SKU | bor400943 |
| SFX Item ID | 4224697 |
| Accounting SKU | bor-400943 |
| Manufacturer SKU | 400943 |
| Manufacturer UPC | 808422009430 |
| Alternative References | 400943, BOR-400943 |
Muffler, ATAK CrateMuffler, Oval, Stainless Steel, Natural, 2.50 in. Offset Inlet/Outlet, Chrysler, Dodge, Plymouth, Each
Borla ATAK CrateMufflers will optimize the sound and performance of your crate and custom-built motors. Get the loud, deep growl you crave from an aircraft-grade T-304 stainless steel exhaust. ATAK (acoustically tuned applied kinetics) technology produces the highest dB levels, avoiding distortion to retain clarity—and the mufflers are custom-tuned for your specific vehicle. Let Borla help you achieve the perfect exhaust note for your custom build. Order the CrateMuffler size and configuration for your vehicle application.
| Product Attributes | |
|---|---|
| Brand | Borla |
| Manufacturer's Part Number | 400943 |
| Part Type | Mufflers |
| Product Line | Borla ATAK CrateMufflers |
| UPC | 808422009430 |
| Muffler Material | 304 stainless steel |
| Inlet Diameter (in.) | 2.50 in. |
| Outlet Diameter (in.) | 2.50 in. |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Inlet Location | Offset |
| Outlet Location | Offset |
| Case Shape | Oval |
| Reversible | No |
| Internal Construction | Perforated stainless tube with packing |
| Muffler Finish | Natural |
| Case Exterior Length (in.) | 14.00 in. |
| Thickness (in.) | 4.350 in. |
| Width (in.) | 9.000 in. |
| Outlet Style | Standard, without tip |
| Remanufactured | No |
| Quantity | Sold individually. |
| Notes | ATAK style muffler. |
Brochures
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