Skip to product information
1 of 6

Borla CrateMuffler S-Type Muffler for Chevrolet LS3 6.2L V8, Part Number 400946

Borla CrateMuffler S-Type Muffler for Chevrolet LS3 6.2L V8, Part Number 400946

Borla -

Regular price $369.99 USD
Regular price $413.99 USD Sale price $369.99 USD
Sale Special Order this item by Clicking the Chat Button Below
Shipping calculated at checkout.
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 Chevrolet LS3 6.2L V8 family. The directional design provides the classic S-Type sound and will dramatically reduce, or eliminate drone on specified applications. Add resonator 400938 to attain the Touring sound. Muffler dimensions 2.5" Offset Inlet/ 2.5" Offset Outlet, 4.35" x 9.10" Oval, 14" Body Length, 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. CrateMuffler, Chevrolet LS3 6.2L V8 Stock Output, 2.5" Offset Inlet/ 2.5" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length, S-Type.
  • 2.5" Offset Inlet/ 2.5" Offset Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length
  • When installed on cataloged applications, they will reduce, or eliminate drone
  • Mufflers have directional flow. Outlet end has mounting bracket on it.
  • Add resonator 400938 to attain the Touring sound level
  • CrateMuffler(r)s are tuned for specific engines

The Borla CrateMuffler S-Type muffler is purpose-built for Chevrolet LS3 6.2L V8 engines, helping optimize exhaust sound and performance for crate and custom-built motors. Its directional design delivers Borla's distinctive S-Type exhaust tone while helping reduce or eliminate unwanted drone on specified applications. The outlet is identified by the mounting bracket welded to the end cap, making installation orientation clear.

Constructed from premium T-304 stainless steel, this Borla muffler provides excellent corrosion resistance, long-term durability, and reliable performance compared with lower-grade T-400 series materials such as 409 stainless steel. Precision CNC manufacturing supports consistent fitment and dependable quality. For a quieter Touring sound, add Borla resonator part number 400938. The CrateMuffler is backed by Borla's Million-Mile Warranty.

This muffler is designed for select Chevrolet and Pontiac applications, including the 2014-2015 Chevrolet SS, 2010-2015 Chevrolet Camaro, 2009-2010 Pontiac G8, and 2010 Chevrolet Corvette. Verify vehicle configuration and exhaust layout before installation. The muffler features offset inlet and outlet connections, an oval body, and a 14-inch body length with a 19-inch overall length.

Key Product Specifications and Technical Data

  • Brand: Borla
  • Part Number: 400946
  • Product Type: CrateMuffler performance muffler
  • Engine Application: Chevrolet LS3 6.2L V8, stock output
  • Inlet Configuration: 2.5-inch offset inlet
  • Outlet Configuration: 2.5-inch offset outlet
  • Muffler Shape: Oval
  • Sound Level: S-Type

What's Included

  • One Borla CrateMuffler S-Type muffler

Features:

  • LS3-Tuned Performance: Designed specifically for Chevrolet LS3 6.2L V8 crate and custom-built engines.
  • S-Type Sound: Produces Borla's signature aggressive exhaust tone while helping reduce or eliminate drone on specified applications.
  • Directional Flow: The welded mounting bracket identifies the outlet end for correct installation orientation.
  • Premium Stainless Construction: Made from durable T-304 stainless steel for superior corrosion resistance and long-lasting performance.
  • CNC Manufacturing: Precision computer-controlled production supports accurate fitment and consistent quality.
  • Touring Sound Compatibility: Add Borla resonator part number 400938 to achieve a quieter Touring sound level.
  • Broad Application Coverage: Fits select Chevrolet SS, Chevrolet Camaro, Pontiac G8, and Chevrolet Corvette applications.
  • Million-Mile Warranty: Backed by Borla's limited Million-Mile Warranty for added confidence.

Fitments:
2008 Chevrolet Corvette Base
2009 Chevrolet Corvette Base
2009 Chevrolet Corvette ZR1
2009 Pontiac G8 GXP
2010 Chevrolet Camaro SS
2010 Chevrolet Corvette Base
2010 Chevrolet Corvette Grand Sport
2010 Chevrolet Corvette ZR1
2011 Chevrolet Camaro SS
2011 Chevrolet Corvette Base
2011 Chevrolet Corvette Grand Sport
2011 Chevrolet Corvette ZR1
2012 Chevrolet Camaro SS
2012 Chevrolet Camaro ZL1
2012 Chevrolet Corvette Base
2012 Chevrolet Corvette Grand Sport
2012 Chevrolet Corvette ZR1
2013 Chevrolet Camaro SS
2013 Chevrolet Camaro ZL1
2013 Chevrolet Corvette Base
2013 Chevrolet Corvette Grand Sport
2013 Chevrolet Corvette ZR1
2014 Chevrolet Camaro SS
2014 Chevrolet Camaro ZL1
2014 Chevrolet SS Base
2015 Chevrolet Camaro SS
2015 Chevrolet Camaro ZL1
2015 Chevrolet SS Base
2016 Chevrolet SS Base
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1

Materials

Shipping & Returns

Dimensions

Care Instructions

View full details

    Contact form