Best Exhaust For 5 3 Sierra: Compare 10 Exhaust Kits

#1 · Best Overall

1. Flowmaster 17395 American Thunder

• Material Type: Plastic
• Compatible with Vehicle Type: Car
• Material: Plastic

Best for: Classic short-bed dual exit.

Why it ranks #1: Its fitment explicitly lists 1999–2007 Classic Sierra 1500 5.3L Extended Cab Short Bed, with included hardware, factory hanger locations, and dual stainless tips.

Dual 3-inch polished stainless tips give the Flowmaster American Thunder kit a clearly defined rear-exit look, while its Super 40 muffler supplies the listed moderate-to-aggressive exterior tone. The stated application is specifically for 1999–2007 Classic Silverado and Sierra 1500 Extended Cab Short Bed trucks with a 5.3L engine.

Mandrel-bent 16-gauge aluminized steel tubing pairs with the Super 40 Series muffler to provide a specified system layout and sound character. Factory hanger locations, included hangers, and hardware support a direct installation workflow using the truck’s existing hanger points. The dual 3-inch polished stainless tips identify the exit arrangement and finish. Because the listed application is limited to Classic Extended Cab Short Bed models, the fitment description should guide selection rather than the broader Silverado/Sierra name alone.

Skip it if you have a 2014–2019 Classic Sierra; Flowmaster 717857 lists that generation and uses factory hanger locations.

Choose this for a 1999–2007 Classic 5.3L Sierra 1500 Extended Cab Short Bed when dual polished tips and an assertive exterior tone fit your priorities. Its narrowly stated cab, bed, and generation fitment is the key boundary.

Listed on Amazon as: Flowmaster 17395 American Thunder Cat-Back Exhaust Kit 3 Inch Aluminized Steel 3 Inch Stainless Tips Compatible with 1999-2007 Classic Chevy Silverado GMC Sierra 1500 4.8L 5.3L Extended Cab Short Bed

#2 · Best Classic Body Fit

2. Flowmaster 717857 FlowFX

• Material Type: Plastic
• Compatible with Vehicle Type: Truck
• Material: Plastic

Best for: Classic-body stainless cat-back.

Why it ranks #2: The listing specifies 2014–2019 Classic Body Sierra 1500 with a 5.3L, plus stainless construction, factory hanger use, and a straight-through muffler.

Full stainless steel construction distinguishes the Flowmaster FlowFX cat-back, while its 4.5-inch black ceramic-coated tip makes the rear exit visually prominent. The listing specifies a 2014–2019 Classic-body Silverado or Sierra 1500 with a 4.3L or 5.3L engine, targeting owners who need that generation-specific application.

The Flow FX straight-through performance muffler is paired with a deep, powerful tone inside and outside the vehicle, giving buyers a defined sound character alongside the stainless system construction. Factory hanger locations support installation around existing mounting points, and the listed bolt-on installation type clarifies the intended process. Its large black ceramic-coated 4.5-inch tip gives the exhaust a distinctive exit treatment. The application is specific to 2014–2019 Classic-body trucks, so it is not the listed option for newer body styles.

Skip it if you own a 2019–2024 new-body Crew Cab or Double Cab; Flowmaster 717894 lists that application and exits through factory bezels.

This is a fit for owners of the listed 2014–2019 Classic-body 5.3L Sierra who want stainless construction, a large black tip, and a deep tone. Confirm that the truck is the Classic body style before choosing it.

Listed on Amazon as: Flowmaster 717857 FlowFX Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel 4.5 Inch Black Ceramic Stainless Steel Tips Compatible with 2014-2019 Classic Body Chevy Silverado GMC Sierra 1500 4.3L 5.3L

#3 · Best New Body Fit

3. Flowmaster 717894 FlowFX

• Material: Plastic

Best for: New-body dual exhaust with factory-bezel exits.

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Why it ranks #3: Designed for 2019–2024 New Body Sierra 1500 5.3L Crew Cab or Double Cab, it includes dual exhaust, factory-bezel exits, and installation hardware.

Exiting through the factory exhaust bezels is the defining layout feature of Flowmaster’s 717894 FlowFX system. Its stated application covers 2019–2024 new-body Silverado and Sierra 1500 Crew Cab or Double Cab 5.3L trucks, making it a targeted option for owners seeking dual exhaust without a different exit location.

All mandrel-bent stainless tubing and the Flow FX straight-through mufflers pair the listed material and muffler design with a deep, powerful tone inside and outside the vehicle. The system transitions from 3-inch to 2.5-inch tubing, providing a defined pipe-size layout. Factory hanger locations and included necessary hardware support a home-installation workflow, while exits through the factory bezels preserve the listed exit position. Fitment is limited to the specified new-body Crew Cab or Double Cab 5.3L trucks.

Skip it if you own a 2014–2019 Classic-body Sierra; Flowmaster 717857 lists that generation and uses factory hanger locations.

Choose this for a listed 2019–2024 new-body 5.3L Sierra Crew Cab or Double Cab when factory-bezel exits and stainless tubing fit your priorities. Its generation and cab restrictions define the fit boundary.

Listed on Amazon as: Flowmaster 717894 FlowFX Cat-Back Exhaust Kit 3 Inch to 2.5 Inch 409 Stainless Steel Compatible with 2019-2024 New Body Chevy Silverado GMC Sierra 1500 Crew Cab/Double Cab 5.3L Dual Exhaust

#4 · Most Extreme Sound

4. Flowmaster 817916 Outlaw Extreme

• Material Type: Plastic
• Compatible with Vehicle Type: Truck
• Material: Plastic

Best for: Extreme-sound single dump setup.

Why it ranks #4: This cat-back kit explicitly fits 2014–2019 Classic Body Sierra 1500 5.3L and uses an Outlaw muffler with a single dump-style turndown.

Flowmaster’s Outlaw muffler technology and extreme sound define this cat-back more clearly than a conventional moderate-tone system. The listing specifies a black, single dump-style turndown and stainless steel construction for 2014–2019 Classic-body Silverado and Sierra 1500 trucks with 4.3L or 5.3L engines.

The Outlaw muffler technology is explicitly paired with extreme sound, making this a focused choice for owners who want an assertive exhaust character rather than a mild tone. Stainless steel construction supplies the listed system material, while the single dump-style turndown defines where and how the exhaust exits. The stated application includes 2014–2019 Classic-body Sierra 1500 models with a 5.3L engine. Buyers should distinguish Classic-body trucks from newer body styles when assessing this generation-specific cat-back.

Skip it if you want a deep tone without an extreme-sound listing; Flowmaster 717857 specifies a deep, powerful tone for 2014–2019 Classic-body trucks.

This suits a 2014–2019 Classic-body 5.3L Sierra owner who specifically wants an extreme-sound system with a single dump-style exit. The Classic-body fitment and assertive sound are the key boundaries to consider.

Listed on Amazon as: Flowmaster 817916 Outlaw Extreme Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel Black Single Dump Style Turndown Compatible with 2014-2019 Classic Body Chevy Silverado GMC Sierra 1500 4.3L 5.3L

#5

5. Magnum Exhaust Super 44

• Material Type: Aluminum
• Compatible with Vehicle Type: Truck
• Material: Aluminum

Best for: Super 44 dual-exhaust conversion.

Why it ranks #5: Its listed truck applications include Sierra, and the kit pairs a 3-inch inlet with dual 2.5-inch outlets and a Super 44 muffler.

A Flowmaster Super 44 muffler gives this dual truck exhaust its named sound and performance centerpiece, paired with one 3-inch inlet and dual 2.5-inch outlets. Two 3.5-by-18-inch angle-cut chrome tips complete the listed exit hardware for Silverado, Sierra, F-Series, and Ram trucks.

The single 3-inch inlet transitions to dual 2.5-inch outlets, defining the pipe sizing for buyers comparing an existing muffler connection with a dual-tailpipe arrangement. Two mandrel-bent, cut-and-swaged 2.5-inch tailpipes carry that layout rearward. The Super 44 muffler is identified as the system’s core component, and the listing describes a rich, deep, aggressive rumble. Its chrome tips are weld-on, so installation planning should account for welding rather than assuming the tips simply attach by a supplied clamp.

Skip it if you want a specified year-and-cab Sierra fitment; Flowmaster 17395 lists 1999–2007 Classic Extended Cab Short Bed trucks.

This suits a truck owner seeking a Super 44 dual-exhaust layout and willing to plan for weld-on chrome tips. Its application description names several truck lines but does not specify Sierra model years or cab configuration.

Listed on Amazon as: Flowmaster Super 44 Mandrel-Bent Aluminized Dual Truck Exhaust Kit w/Chrome Tips for Silverado, Sierra, F-Series & Ram

#6

6. ShopLine Dual 3 Inch 99–06

• Compatible with Vehicle Type: Truck

Best for: Dual rear exit for 1999–2006.

Why it ranks #6: The muffler-back dual-exhaust kit is listed for Silverado and Sierra 1500 from 1999–2006, with 3-inch mandrel-bent tubing and dual rear exit.

A standard dual rear exit and dual 3-inch mandrel-bent pipes give this ShopLine muffler-back kit a defined layout for 1999–2006 Silverado and Sierra 1500 trucks. The listing describes the mandrel bends as reducing restrictions, while the stated years help distinguish it from later-generation applications.

This muffler-back kit places the listed dual 3-inch exhaust downstream of the muffler, and mandrel-bent tubing is described as supporting fewer restrictions. The standard dual rear exit makes the exhaust arrangement clear for owners planning a twin-pipe rear layout. Fitment is limited to the specified 1999–2006 truck range, and the listing says the kit does not fit dual-inlet trucks unless specified. A 3-inch muffler inlet is also required or an adapter must be sourced separately.

Skip it if you have a 2007–2014 Sierra 1500; Truck Exhaust Kits ShopLine Dual 3-inch B07MC565R6 lists that later application.

This fits owners of the listed 1999–2006 Sierra 1500 seeking dual 3-inch piping and a rear exit. Check both the truck’s inlet diameter and whether it has a dual-inlet muffler before selecting it.

Listed on Amazon as: Truck Exhaust Kits – ShopLine Dual 3" Fits Silverado/Sierra 1500 99'-06'

#7

7. ShopLine Dual 3 Inch 07–14

• Material Type: Alloy Steel
• Compatible with Vehicle Type: Truck
• Material: Alloy Steel

Best for: Dual rear exit for 2007–2014.

Why it ranks #7: This dual 3-inch muffler-back kit covers Silverado and Sierra 1500 from 2007–2014 and specifies mandrel-bent tubing and a standard dual rear exit.

Dual 3-inch mandrel-bent tubing and a standard dual rear exit define this ShopLine muffler-back kit for Silverado and Sierra 1500 trucks from 2007 to 2014. Its stated maximum-flow layout gives buyers a specific dual-pipe configuration, while the included application detail makes it easier to screen by truck generation.

The muffler-back format places the kit downstream of the muffler, and its dual 3-inch mandrel-bent pipes provide the listed pipe layout. The product description associates mandrel bends with fewer restrictions, giving buyers a stated reason to consider this routing. Dual rear exit is standard, so the exit arrangement is clear when planning the truck’s exhaust appearance. The listing notes that a truck without a 3-inch muffler inlet pipe needs a separately sourced adapter, making inlet configuration a practical installation check.

Skip it if you do not have a 3-inch muffler inlet and want no adapter sourcing; Flowmaster 717894 lists a complete hardware-included cat-back for newer-body trucks.

This fits buyers seeking a dual rear-exit muffler-back system for the listed 2007–2014 1500 applications. Check the existing muffler inlet first: a truck without a 3-inch inlet requires an adapter sourced separately.

Listed on Amazon as: Truck Exhaust Kits – ShopLine Dual 3" Fits Silverado/Sierra 1500 07'-14'

#8

8. Auto Dynasty 4 Inch Catback

• Material Type: Stainless Steel
• Compatible with Vehicle Type: Compatible with Silverado Sierra 1500 2007-2013
• Material: Stainless Steel

Best for: Crew-cab short-bed 4-inch tip.

Why it ranks #8: The stainless cat-back lists 2007–2013 Sierra 1500 Crew or Extended Cab Short Bed fitment, with a 3-inch inlet and 4-inch outlet.

A 4-inch outlet tip gives this Auto Dynasty cat-back a larger-diameter visible exit, with a 3-inch inlet defining the connection size. The listed application covers 2007–2013 Silverado and Sierra 1500 Crew or Extended Cab Short Bed trucks, and its stainless steel construction is another stated point of distinction.

The 3-inch inlet and 4-inch outlet specify the system’s connection and tip sizes, helping buyers compare the exhaust layout with their intended configuration. Stainless steel construction supplies a clearly identified material choice, while the product is described as a cat-back racing-design kit. The stated fitment is restricted to 2007–2013 Crew or Extended Cab Short Bed applications. The listing also says it is not CARB compliant and is not legal for use in California emission models, a relevant limit for some owners.

Skip it if you need a CARB-compliant system for a California emission model; Flowmaster 717857 lists a different Classic-body application, but does not state CARB status.

Consider this for a 2007–2013 Sierra 1500 Crew or Extended Cab Short Bed owner seeking a stainless cat-back with a 4-inch outlet. Its California emission-model restriction is a firm boundary to weigh.

Listed on Amazon as: Auto Dynasty 4" Catback Exhaust Tip System For 07-13 Silverado Sierra 1500

#9

9. DNA Motoring Cat Back

• Compatible with Vehicle Type: Car

Best for: Stainless kit for short beds.

Why it ranks #9: Its stated 2007–2013 Sierra 1500 Crew or Extended Cab Short Bed fitment and T-409 stainless construction are useful, but engine size is not specified.

T-409 stainless steel with computerized mandrel bends gives this DNA MOTORING cat-back a clearly stated construction approach for durability and strength. Its listed fitment is specific to 2007–2013 Silverado and Sierra 1500 Crew or Extended Cab Short Bed trucks, making application fit the first selection filter.

Computerized mandrel bends shape the T-409 stainless tubing, while TIG-welded CNC-machine flanges are specified for resistance to pressure and corrosion. Those construction details give buyers useful information about the system’s materials and joints. The listing describes dyno-proven gains of 15–25 horsepower or low-end torque, connecting its performance claim to the cat-back upgrade. Included hardware and gaskets support the installation workflow. Fitment remains limited to the stated 2007–2013 Crew or Extended Cab Short Bed applications.

Skip it if you have a 2014–2019 Classic-body Sierra; Flowmaster 717857 lists that model range and specifies factory hanger locations.

This suits owners of the listed 2007–2013 5.3L Sierra 1500 cab and bed configurations who value stainless construction and included hardware. Its stated fitment does not cover other years or cab and bed combinations.

Listed on Amazon as: DNA MOTORING CBE-CS09-4853L-4DR Stainless Steel Cat Back Exhaust System [Compatible with 07-13 Silverado 1500/07-13 Sierra 1500 Crew/Extended Cab Short Bed]

#10

10. XsvFLO ShopLine Single Catback

• Material Type: Aluminum, Stainless Steel
• Compatible with Vehicle Type: Truck
• Material: Aluminum, Stainless Steel

Best for: Single-exit 3-inch setup.

Why it ranks #10: The listing describes a 3-inch aluminized single cat-back for trucks but does not identify Sierra fitment, engine size, or model-year coverage.

A 3-inch single cat-back layout gives this ShopLine kit a straightforward option for a Sierra owner seeking a larger-diameter exhaust path without choosing a dual-exit system. Its listed aluminum and stainless steel materials identify the construction, while the truck compatibility keeps the intended vehicle category clear.

The 3-inch tubing specification gives buyers a defined exhaust diameter to compare with their existing setup, and the single-cat-back format makes this a simpler layout choice than a dual system. Listed aluminum and stainless steel construction provides the material information needed when comparing exhaust kits. The product listing identifies truck compatibility but does not specify Sierra model years or cab and bed configurations, so buyers should treat the listed fitment detail as limited rather than assuming a particular 5.3L Sierra configuration.

Skip it if you need documented model-year and cab-specific fitment; Flowmaster 17395 lists 1999–2007 Classic Extended Cab Short Bed applications.

This suits a truck owner comparing a 3-inch single cat-back layout and aluminum/stainless construction. Its fitment boundary is important: the supplied listing does not identify Sierra years, engine size, cab, or bed configuration.

Listed on Amazon as: XsvFLO Exhaust Kits – ShopLine Single Catback Exhaust System 3" Aluminized