2014-2018 Chevy Silverado, GMC, V8 5.3L MACH-40 Cat Back Dual Exhaust Kit, primary product view
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2014-2018 Chevy Silverado, GMC, V8 5.3L MACH-40 Cat Back Dual Exhaust Kit, exhaust component detail
2014-2018 Chevy Silverado, GMC, V8 5.3L MACH-40 Cat Back Dual Exhaust Kit, included components overview
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2014-2018 Chevy Silverado, GMC, V8 5.3L MACH-40 Cat Back Dual Exhaust Kit

994340SL
Catback
20+ Units In Stock - Ships Next Business Day
$ 967.29
$ 967.29

Muffler Assembly Built for 2014–2018 Chevrolet Silverado / Sierra

The Solo Performance 994340-SL is a vehicle-specific muffler assembly for 2014–2018 Chevrolet Silverado / Sierra. This listing uses the manufacturer-published fitment and component details for a precise replacement or performance exhaust selection.

Key Features

  • Vehicle-specific configuration for 2014–2018 Chevrolet Silverado / Sierra
  • T304 stainless steel (muffler / tips / clamps)
  • Main pipe diameter: 2 1/2", 3"
  • Exhaust tip configuration: 2 (one per side), T304 polished stainless (SL option on the shared -SL/BK manufacturer page), inner-beveled, staggered
  • Manufacturer-listed J-pipe tuning is used to reduce unwanted cabin drone
  • Completely bolt-on according to the manufacturer
  • Solo Performance configuration identified by MPN 994340-SL

Fitment

Year Range Make Model Trim / Configuration Engine / Notes
2014–2018 Chevrolet Silverado / Sierra See application notes 5.3L, V8; 5.3L V8 143.5" WB Chevy Silverado, GMC Sierra (2014-2018)

Specifications

Detail Value
Brand Solo Performance
MPN 994340-SL
Product Type Muffler Assembly
Fitment 2014–2018 Chevrolet Silverado / Sierra
Material T304 stainless steel (muffler / tips / clamps)
Main Pipe Diameter 2 1/2", 3"
Tip Quantity 2 (one per side)
Tip Finish T304 polished stainless (SL option on the shared -SL/BK manufacturer page)
Tip Style inner-beveled, staggered

What's Included

  • Dual exhaust tips ( your choice
  • polished stainless or black)
  • Dual tail-pipes
  • Mach-40 (Louder) muffler assembly
  • extra Solo hanger
  • and all necessary hardware. (Louder Version)
  • 1 x vehicle-specific Solo Performance assembly identified by MPN 994340-SL

About Solo Performance

Solo Performance describes its catalog as a stainless steel exhaust line developed for both performance-focused and quieter applications. The company began product testing and design in 2002 and brought the line to market in 2005; this listing follows its published data for MPN 994340-SL.

Related Parts

FAQ

What is the 994340-SL?

It is a Solo Performance muffler assembly configured for 2014–2018 Chevrolet Silverado / Sierra.

What vehicles does this exhaust part fit?

The verified application is 2014–2018 Chevrolet Silverado / Sierra. Review the engine, transmission, body-style and factory-exhaust notes in the fitment table before ordering.

What type of exhaust component is this?

Solo Performance classifies this configuration as a muffler assembly.

What material is used?

T304 stainless steel (muffler / tips / clamps)

What is included?

The manufacturer lists Dual exhaust tips ( your choice, polished stainless or black), Dual tail-pipes, Mach-40 (Louder) muffler assembly, extra Solo hanger, and all necessary hardware. (Louder Version).

Is this a bolt-on installation?

Completely bolt-on according to the manufacturer

Does this system address cabin drone?

Solo lists J-pipe tuning for this configuration to reduce unwanted cabin drone

Where can I find installation guidance?

Use the vehicle service information and contact Solo Performance technical support when product-specific instructions are not published.

Install Instructions

  1. Confirm MPN 994340-SL, vehicle fitment and the factory exhaust configuration before disassembly.
  2. Allow the exhaust to cool, raise the vehicle safely and support the factory system before loosening hardware.
  3. Inventory the supplied pipes, clamps, tips, gaskets and hardware against the manufacturer instructions.
  4. Remove the factory components in the sequence specified by the vehicle service information.
  5. Install the Solo Performance components loosely first so the system can be aligned without preload.
  6. Center the tips, verify body and suspension clearance, then tighten fasteners to the applicable specification.
  7. Start the vehicle, inspect for leaks or contact points and recheck alignment after the first heat cycle.
  8. If needed, adjust the J-pipe length in small increments according to the manufacturer instructions.

Request For Information

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