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Borla CrateMuffler SBC 283 / 327 / 350 2.5 inch Offset/Center 14in x 4.35in x 9in Oval Muffler-Borla-BOR400823
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Borla CrateMuffler SBC 283 / 327 / 350 2.5 inch Offset/Center 14in x 4.35in x 9in Oval Muffler

Borla
BOR400823
808422008235
Muffler
1 Units In Stock - Ships Next Business Day
$ 335.99 $ 299.99
FREE Ground Shipping!
$ 299.99

SKU: 400823   |   UPC: 808422008235

Borla 400823 CrateMuffler Muffler Chevrolet Small Block 283/327/350 CID V8 2.5" Offset Inlet/Offset Outlet ATAK 14" x 4.35" x 9.1" Oval

The Borla 400823 CrateMuffler delivers aggressive ATAK sound and performance gains for Small Block Chevrolet 283, 327, and 350 CID V8 crate and custom engines. This 2.5-inch offset inlet/offset outlet oval muffler boosts power, torque, fuel economy, and provides a thrilling exhaust note with reduced drone. Precision-built for stock output applications in hot rods, classics, and custom builds.

Key Features

  • ATAK Sound Technology: Aggressive tone tuned for SBC engines, dramatically reduces drone for clear, powerful soundtrack on acceleration.
  • T-304 Stainless Steel: Premium material resists corrosion, withstands extreme heat, ensures lifelong performance and durability.
  • Directional Design: Flow-optimized with outlet identified by welded mounting bracket endcap, custom sound for each engine family.
  • Exact Specifications: 14" body length x 4.35" height x 9.1" width, 19" overall length, 2.5" inlet/outlet diameter for seamless 2.5" piping integration.
  • CNC Precision Manufacturing: All-welded construction guarantees accurate fit, OEM-style pipe connections, and reliable performance.

Product Notes

  • Mufflers are directional; locate outlet by mounting bracket on endcap for correct installation.
  • Built exclusively for crate and custom Small Block Chevy 283/327/350 V8 stock output.
  • Weight: 11 lbs; includes one muffler per package.

Installation Notes

  • Professional installation recommended.
  • Orient with offset inlet toward engine, offset outlet toward exhaust system; follow directional flow.
  • Uses standard 2.5" pipe connections; no special hardware required for most setups.

This Part Fits

Year Make Model Submodel
CRATE Chevrolet Small Block V8 283 CID Stock
CRATE Chevrolet Small Block V8 327 CID Stock
CRATE Chevrolet Small Block V8 350 CID Stock

Why Choose Borla?

  • Distinctive Sound of Power loved by enthusiasts worldwide.
  • Proven gains in power, torque, fuel economy, and engine longevity.
  • Pioneer in stainless steel exhaust with decades of motorsport victories.

Frequently Asked Questions

  • Q: Which engines is this CrateMuffler designed for?
    A: Specifically tuned for Chevrolet Small Block 283, 327, and 350 CID V8 crate and custom motors with stock output.
  • Q: What material and construction details?
    A: T-304 stainless steel with all-welded, CNC-machined body for precise fit and extreme durability.
  • Q: What warranty coverage?
    A: Backed by Borla's Million-Mile Warranty on every CrateMuffler.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 21" x 10" x 10"
  • Weight: 11 lbs

Request For Information

Have questions about Borla CrateMuffler SBC 283 / 327 / 350 2.5 inch Offset/Center 14in x 4.35in x 9in Oval Muffler? Fill out the form below and we'll get back to you by the next business day.
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