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Borla CrateMuffler SBC Hot 350/383 3.0 inch Offset/Center 14in x 4.35in x 9in Oval S-Type Muffler-Borla-BOR400843
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Borla CrateMuffler SBC Hot 350/383 3.0 inch Offset/Center 14in x 4.35in x 9in Oval S-Type Muffler

Borla
BOR400843
808422008433
Muffler
20+ Units In Stock - Ships Next Business Day
$ 357.99 $ 319.99
FREE Ground Shipping!
$ 319.99

SKU: 400843   |   UPC: 808422008433

Borla CrateMuffler Chevrolet Small Block High Output 350/383/406 CID 3in Offset/Center 14inx4.35inx9.10in S-Type Part # 400843

Borla 400843 CrateMuffler is the first muffler designed specifically for Small Block Chevrolet high output 350/383/406 CID V8 crate and custom engines. It installs on offset 3-inch inlet to center 3-inch outlet configurations for oval-shaped bodies measuring 14 inches long overall 19 inches. Expect gains in power, torque, fuel economy, and a signature Borla sound that eliminates drone while enhancing throttle response.

Key Features

  • T-304 Stainless Steel Construction: Provides corrosion resistance and durability for long-term performance in high-heat exhaust environments.
  • Directional Design: Outlet side marked by welded mounting bracket ensures proper flow orientation for engine-specific tuning and reduced interior drone.
  • Precise Dimensions: 14-inch body length, 4.35-inch height, 9.1-inch width, 19-inch overall length with 3-inch inlet/outlet for seamless integration into custom exhaust setups.
  • Chambered S-Type Internal Design: Produces deep, aggressive exhaust note matched to SBC high output V8 characteristics for thrilling acceleration sound.
  • Million-Mile Warranty: Backed by Borla's proven reliability, ensuring peace of mind for street, track, or off-road use.

Product Notes

  • Mufflers are directional; install with outlet end (mounting bracket) facing rear of vehicle.
  • Built for high-flow applications; pairs with 3-inch piping for optimal results.
  • Weight: 8.1 lbs; securely packaged in protective box measuring 21 x 10 x 6 inches.

Installation Notes

  • Professional installation recommended.
  • Clamp or weld to 3-inch exhaust piping; verify inlet offset and center outlet alignment.
  • Includes mounting bracket on outlet endcap for direct bolting to hangers.

This Part Fits

Year Make Model Submodel
Universal Chevrolet Small Block V8 350/383/406 CID High Output Crate Engine

Why Choose Borla?

  • Leaders in stainless steel exhaust since pioneering systems for classics like Ferrari and Rolls-Royce.
  • Most experienced exhaust brand with championship-winning designs across street and racing.
  • CNC precision manufacturing guarantees exact fit and peak flow for every CrateMuffler.

Frequently Asked Questions

  • Q: Does this fit my SBC 383 stroker crate engine?
    A: Yes, designed specifically for Small Block Chevy high output 350/383/406 CID V8 crate and custom motors with 3-inch offset inlet to center outlet.
  • Q: What material is used and why?
    A: T-304 stainless steel, which offers better corrosion resistance and strength than 409 or other 400-series steels in exhaust applications.
  • Q: What warranty coverage applies?
    A: Million-Mile Warranty covers defects in materials and workmanship when installed and maintained properly.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Individual protective box, 21 x 10 x 6 inches
  • Weight: 8.1 lbs

Request For Information

Have questions about Borla CrateMuffler SBC Hot 350/383 3.0 inch Offset/Center 14in x 4.35in x 9in Oval S-Type Muffler? Fill out the form below and we'll get back to you by the next business day.
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