
Specifications
- Brand
- Borla
- Part #
- 400774
- UPC
- 808422007740

Borla CrateMuffler Small Block Chevrolet ATAK 2.5in Offset/Offset 14inx4.35inx9in Muffler
$348.99
Borla CrateMuffler for Small Block Chevrolet V8s. Features aggressive ATAK sound with reduced drone.
Key Features
- Fits Small Block Chevrolet 350, 383, and 406 CID V8 engines.
- Features Borla's aggressive ATAK sound level.
- Directional flow design is tuned for specific engine families.
- Helps reduce or eliminate exhaust drone.
- Constructed from durable T-304 stainless steel for excellent corrosion resistance.
- 2.5 inch inlet and outlet with a 14 inch x 4.35 inch x 9.10 inch body.
⚠️ 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 CrateMuffler is built specifically for Small Block Chevrolet engines like the 350, 383, and 406 V8s. It's designed to optimize both the sound and power output of crate engines and custom builds. The ATAK sound level means you get an aggressive tone that really lets your engine be heard.
What makes this muffler stand out is its directional design, which is tuned for specific engine families. You can identify the outlet by the mounting bracket welded to the endcap. This thoughtful design helps to significantly reduce or even eliminate exhaust drone, making your driving experience more comfortable. It's constructed from T-304 stainless steel, which is a strong material that resists corrosion and ensures long-lasting performance. The precise fit comes from CNC manufacturing, so you can expect it to integrate well into your exhaust system.
Borla backs this muffler with a Million-Mile Warranty, showing their confidence in its durability and performance. If you're building a custom hot rod or installing a crate engine, this muffler is a solid option for achieving a powerful sound without the annoying drone.
Specifications
- Brand
- Borla
- Manufacturer Part #
- 400774
- UPC
- 808422007740
Frequently Asked Questions
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Borla CrateMuffler Small Block Chevrolet ATAK 2.5in Offset/Offset 14inx4.35inx9in Muffler
