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Exhaust› Mufflers and Resonators
Borla
Borla CrateMuffler LS3 ATAK 2.25in Offset/Offset 14inx4.35inx9in Oval Muffler
SKU: B00F 400945
Moderate — 2–4 hours
Overview
Constructed from premium T-304 stainless steel, this muffler ensures superior performance and durability. It features a directional flow design, with the outlet end identifiable by a welded mounting bracket. The muffler has an oval shape with case dimensions of 4.35" x 9.10", a 14" long body, and an overall length of 19". Borla backs this CrateMuffler with a Million-Mile Warranty.
Show original supplier description
Part #: 400945
Borla(r)'s CrateMuffler is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors. This CrateMuffler 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 with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Features:
- CrateMufflers are tuned for specific engines
- When installed on cataloged applications, they will reduce, or eliminate drone
- Mufflers have directional flow. Outlet end has mounting bracket on it.
Muffler - CrateMuffler - 2-1/2 in Offset Inlet - 2-1/2 in Center Outlet - 14 in x 4-3/8 in x 9 in Oval Body - 19 in Long - Stainless - Natural - LS3 - GM LS-Series - Each
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Exhaust note too quiet, want aggressive sound
- Drone at highway cruising speeds
- Stock muffler rusted or damaged
- Desire for performance upgrade and louder exhaust
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Borla |
| Part Number | B00F 400945 |
About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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