Best Cat Back Exhaust System for Different Vehicle Fitments

#1 · Best Overall

1. Borla 140429 Cat-Back System

• Weight: 22 lb

Best for: Silverado and Sierra S-Type upgrade.

Why it ranks #1: Detailed Silverado and Sierra 1500 fitment covers engines, drivetrain, cab, bed, and wheelbase; the S-type system uses austenitic stainless steel.

Ultra-smooth mandrel bends are the defining flow feature of this Borla S-Type cat-back, intended to support exhaust flow and power for specified Chevrolet Silverado and GMC Sierra 1500 V8 applications. Its austenitic stainless-steel construction adds a clearly stated material choice, while the detailed cab, bed, wheelbase, and drivetrain fitment helps narrow compatibility.

Borla specifies an S-Type cat-back with ultra-smooth mandrel bends, linking the tubing design to the listed aim of maximum flow and power. Austenitic stainless steel identifies the system’s construction material, a practical consideration for buyers comparing exhaust materials. The application covers specified 2009–2013 Silverado and Sierra 1500 V8 configurations, including listed cab, bed, wheelbase, transmission, and drivetrain details. Matching those vehicle particulars is essential because the stated fitment is configuration-specific.

Skip it if you need an exhaust for a different vehicle application; Flowmaster 817690 lists specified Classic RAM 1500 configurations instead.

This fits buyers seeking a Borla S-Type system for the specified 2009–2013 Silverado or Sierra 1500 V8 configurations. Confirm cab, bed, wheelbase, transmission, and drivetrain against the listed application before selecting it.

Listed on Amazon as: BORLA 140429 Cat-Back System for 2009-2013 Chevrolet Silverado 1500/ GMC Sierra 1500 4.8L/ 5.3L/ 6.0L V8 AT/MT 2 & 4WD 4 Door Ext. Cab Std. Bed (6' 7") 143.5" WB/Crew Cab Short Bed (5' 9") 143.5" WB

#2 · Best RAM Fitment

2. Flowmaster 817690 Outlaw Kit

• Weight: 31.81 kg

Best for: Classic RAM 1500 Outlaw setup.

Why it ranks #2: Lists classic RAM 1500 engine, cab, bed, and drivetrain combinations, plus stainless construction, factory-hanger mounting, and black ceramic-coated tips.

Factory spare-tire clearance is a practical differentiator of this Flowmaster Outlaw cat-back, letting compatible Classic RAM 1500 owners retain the listed spare-tire space. Its fitment covers specified 2009–2024 Classic RAM 1500 configurations, and black ceramic-coated stainless tips pair with the system’s deep, powerful, aggressive sound for a performance-focused truck setup.

This system lists compatibility with Classic RAM 1500 4.7L and 5.7L trucks in specified cab, bed, and two- or four-wheel-drive configurations, making configuration matching essential. Factory-hanger use supports a familiar mounting arrangement, while stated clearance for the factory spare tire addresses a practical under-truck consideration. Stainless-steel construction and black ceramic-coated tips give the exhaust a coordinated material and finish combination; the Outlaw sound is explicitly described as deep, powerful, and aggressive.

Skip it if you need a system for a different truck application; Borla 140429 lists specified Chevrolet Silverado and GMC Sierra 1500 configurations.

This suits Classic RAM 1500 owners seeking an Outlaw sound, factory-spare clearance, and black ceramic-coated tips. Match engine, cab, bed, and drivetrain to the listed fitment before selecting this configuration-specific cat-back.

Listed on Amazon as: Flowmaster 817690 Outlaw Cat-Back Exhaust Kit 3 Inch Stainless Steel 4 Inch Black Tips Compatible with 2009-2024 Classic RAM 1500 4.7L 5.7L Std Cab 8' Bed Crew Cab 5'7 Bed Quad Cab 6'4 Bed 2 & 4WD

#3 · Best Civic Fitment

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3. DNA MOTORING CBE-HC922-NRT

• Weight: 24 lb

Best for: Older Civic performance upgrade.

Why it ranks #3: Specifies compatibility with Honda Civic coupe and sedan models and uses T-304 stainless steel with computerized mandrel bends.

Computerized mandrel-bent T-304 stainless tubing is the defining feature of this DNA MOTORING cat-back, supporting a durable exhaust path for compatible 1992–2000 Civic coupes and sedans. The listing also reports dyno-proven gains of 15–25 horsepower and low-end torque, alongside a deep, smooth tone for drivers seeking both output and a more pronounced exhaust note.

T-304 stainless steel and computerized mandrel bends provide the construction basis for strength and durability, while the listed TIG-welded CNC-machined flange is intended to resist pressure. The claimed dyno-proven horsepower and low-end torque gains give performance-focused Civic owners a concrete reason to consider the system; its deep, smooth tone addresses sound as well. Fitment is limited to 1992–2000 Honda Civic coupes and sedans, so vehicle generation and body style are central to the decision.

Skip it if you drive a Civic outside the listed 1992–2000 coupe and sedan fitment; Flowmaster 817689 is another option to investigate for a different application.

Civic owners within the specified 1992–2000 coupe or sedan fitment who want stainless construction, claimed output gains, and a deep, smooth tone are the intended buyers. Confirm the listed generation and body style before choosing this application-specific system.

Listed on Amazon as: DNA MOTORING CBE-HC922-NRT Stainless Steel Cat Back Exhaust System [Compatible with 92-00 Honda Civic Coupe/Sedan]

#4 · Best BRZ Fitment

4. Borla 140909 Cat-Back System

• Weight: 33 lb

Best for: BRZ and GR86 S-Type buyers.

Why it ranks #4: The S-Type system is listed for select Subaru BRZ and Toyota GR86 models with a 2.4-liter four-cylinder engine.

The S-Type designation is the defining detail of this Borla cat-back, identifying the exhaust system type for buyers considering a select Subaru BRZ or Toyota GR86 with a 2.4L four-cylinder engine. The listing names both models and the engine size, giving those owners a clear starting point for evaluating this application-specific exhaust kit.

This is identified as a Borla S-Type cat-back exhaust system, so it is specifically presented as a complete exhaust-system category rather than an individual tip or muffler. Its stated application is select Subaru BRZ and Toyota GR86 models with a 2.4L four-cylinder engine, which makes vehicle and engine matching the main buying step. The supplied information does not detail material, sound level, hardware, or installation method, so those considerations cannot be assessed from this listing.

Skip it if you need stated material, sound, or installation details before choosing; Borla 140429 provides mandrel-bend and stainless-steel specifications for its listed truck fitment.

This is for BRZ or GR86 owners with a listed 2.4L four-cylinder application who are specifically shopping for a Borla S-Type cat-back. The listing says select models, so verify that the intended application matches.

Listed on Amazon as: Borla 140909 Cat Back Exhaust System

#5

5. Rev9 CB-071A Cat-Back Kit

Best for: GTI MK7.5 free-flow option.

Why it ranks #5: Identifies Volkswagen Golf GTI MK7.5 models with a 2.0T engine and lists stainless construction, a rolled tip, and free-flow design.

A free-flow design is the key stated feature of this Rev9 cat-back, giving compatible 2018–2020 Volkswagen Golf GTI MK7.5 owners a system presented around exhaust flow. Stainless-steel construction and a rolled tip complete the listed configuration, making this a focused option for buyers seeking a specified material and tip style for that GTI generation.

Rev9 identifies this as a stainless-steel cat-back kit with a free-flow design and rolled tip. Together, those listed details describe the system’s construction and outlet styling while distinguishing its stated flow-oriented configuration. Fitment is specified for the 2018–2020 Volkswagen Golf GTI MK7.5 2.0T, so model generation, years, and engine are central to application matching. The supplied information does not specify sound, installation hardware, or performance gains, leaving those factors unaddressed.

Skip it if you need a listed sound level or quantified performance gain; DNA MOTORING CBE-HC922-NRT states dyno-proven gains for specified Civic applications.

GTI owners with a 2018–2020 MK7.5 2.0T who want a stainless cat-back with a free-flow design and rolled tip are the intended audience. Sound and installation details are not supplied, so weigh those unknowns.

Listed on Amazon as: Rev9(CB-071A) Cat-Back Exhaust Kit, Stainless Steel Construction, Rolled Tip, Free Flow Design, compatible with Volkswagen Golf GTI MK7.5 2018-2020 2.0T

#6 · Best Forester Fitment

6. TurboXS FXT04-CBE System

• Weight: 5 lb

Best for: Forester XT three-inch exhaust.

Why it ranks #6: The description specifies Subaru Forester 2.5 XT models and a three-inch pipe with a straight-through muffler design.

Three-inch piping is the central specification of this TurboXS cat-back, giving 2004–2008 Subaru Forester 2.5 XT owners a defined exhaust diameter to assess. The supplied description also identifies a straight-through muffler, tying the system’s stated flow-oriented configuration to its performance and sound focus for this specific Forester application.

TurboXS specifies a 3-inch cat-back with a straight-through muffler for 2004–2008 Subaru Forester 2.5 XT models. The piping diameter gives buyers a concrete configuration detail, while the straight-through design is described as enhancing exhaust flow, performance, and sound quality. Because the listed fitment is tied to the 2.5 XT and those model years, owners should compare their exact vehicle application against those details before choosing the system.

Skip it if you drive a Forester outside the listed 2004–2008 2.5 XT application; Rev9 CB-071A lists a Golf GTI fitment instead.

This is for 2004–2008 Subaru Forester 2.5 XT owners seeking a 3-inch cat-back with a straight-through muffler. The stated model and engine application is the fit boundary to check before choosing.

Listed on Amazon as: TurboXS (FXT04-CBE) Cat-Back Exhaust System for Subaru Forester

#7

7. XsvFLO ShopLine Single Catback

Best for: Truck owners wanting rear-wheel exit.

Why it ranks #7: This truck-oriented single cat-back includes a genuine Flowmaster muffler, installation hardware, and a tailpipe exiting behind the passenger rear wheel.

An exit behind the passenger-side rear wheel gives this XsvFLO ShopLine single cat-back a clearly specified routing choice for truck owners seeking an OEM-style appearance with added sound. The listing includes a genuine Flowmaster muffler, installation hardware, and a multi-piece tail pipe, while its bolt-on installation type identifies the stated mounting approach.

The genuine Flowmaster muffler is paired with a single cat-back layout and an exit behind the passenger rear wheel, connecting the named component to the intended sound and routing style. Bolt-on installation, included hardware, and a multi-piece tail pipe provide concrete details about the installation package. The listing identifies the vehicle type as truck but does not supply a specific make, model, or year, so the available fitment information is limited for application matching.

Skip it if you need make-, model-, and year-specific fitment stated; Flowmaster 817690 lists Classic RAM 1500 configurations and engines.

This is for a truck owner seeking a single exhaust with passenger-side rear-wheel exit, a genuine Flowmaster muffler, and listed bolt-on hardware. The missing specific vehicle application is an important boundary to resolve.

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

#8

8. Flowmaster 817689 Outlaw System

• Weight: 56.1 lb

Best for: Aggressive sound with exit options.

Why it ranks #8: Offers all-stainless construction, four-inch black ceramic-coated tips, factory-hanger mounting, and dual rear or side exit options.

Dual outlet routing that can exit at the rear or side is the Flowmaster Outlaw system’s clearest differentiator, giving buyers a choice of exhaust exit configuration. Its Super 10 performance muffler and deep, aggressive sound suit drivers seeking a pronounced tone, while factory-hanger mounting is listed to support installation using the vehicle’s existing hanger locations.

Stainless-steel construction and factory-hanger mounting combine durability with an installation approach that uses existing hanger locations. The Super 10 performance muffler delivers the system’s specified deep, aggressive sound, and the choice between dual rear and dual side exits lets buyers select a listed routing style. Large four-inch black ceramic-coated tips complete the outlet setup. Check that the vehicle application matches this system before purchase; the supplied details do not identify specific vehicle fitment.

Skip it if you need a system with a stated vehicle application; Flowmaster 817690 lists compatible RAM 1500 configurations and engine sizes.

Choose this for a buyer prioritizing an aggressive Outlaw tone, stainless construction, and a choice of dual rear or side exits. The supplied listing does not name compatible vehicles, so application details are a key boundary.

Listed on Amazon as: Flowmaster 817689 Outlaw Cat-back Exhaust System

#9

9. MBRP S7275BLK Race System

• Weight: 55 lb

Best for: Black-coated dual-exit setup.

Why it ranks #9: Lists a three-inch dual-split-rear layout and four-and-a-half-inch black-coated tips, but the supplied details do not specify vehicle fitment.

A high-heat black powercoated finish distinguishes this MBRP Race Version cat-back, pairing a black-coated presentation with a dual-split rear exit and four-and-a-half-inch tips. The listing also states that the system boosts horsepower and torque, making it relevant to buyers seeking both a specified appearance and performance-oriented exhaust configuration.

The 3-inch cat-back uses a dual-split rear layout and 4.5-inch tips, giving buyers specific dimensions and outlet routing to consider when comparing exhaust setups. MBRP identifies the finish as high-heat black powercoating and describes the sound as classic MBRP; the supplied description also says sealed seams resist rust. Horsepower and torque improvement are stated benefits, but the listing does not specify vehicle fitment, so application compatibility remains a key decision point.

Skip it if you need a stated vehicle application; MBRP S5534AL specifies a 2.5-inch single-exit layout, though its supplied details also omit fitment.

This suits buyers seeking a black-coated MBRP system with dual-split rear routing, large tips, and stated horsepower and torque benefits. Vehicle fitment is not specified in the supplied details, so application matching remains unresolved.

Listed on Amazon as: MBRP S7275BLK 3" Cat Back, Dual Split Rear, Race Version Exhaust System with 4.5" Tips (Black Coated)

#10

10. MBRP S5534AL Single Cat Back

• Weight: 28 lb

Best for: Single-exit torque-focused setup.

Why it ranks #10: Provides a two-and-a-half-inch single-exhaust layout and aluminized-steel construction, but the supplied listing does not identify a vehicle application.

A 2.5-inch single-exit layout defines this MBRP cat-back, giving buyers a specific tubing diameter and outlet arrangement to compare against their exhaust goals. Its straight-through muffler is listed alongside claimed improvements in torque, horsepower, throttle response, and exhaust-gas temperatures, making this a performance-focused option with an aluminized-steel construction.

The aluminized-steel system combines 2.5-inch tubing, a 3.75-inch tip, and a single exit, setting out its main configuration details for buyers comparing routing and dimensions. A straight-through muffler is linked in the listing to improved torque and horsepower, lower exhaust-gas temperatures, and increased throttle response. Clamp-on installation identifies the stated mounting type. The supplied information does not name a specific vehicle application, so fitment must be established separately.

Skip it if you need make- and model-specific fitment stated; Rev9 CB-071A lists 2018–2020 Volkswagen Golf GTI MK7.5 2.0T compatibility.

Choose this for a buyer comparing a 2.5-inch single-exit, straight-through configuration with stated torque, throttle-response, and temperature benefits. The listing does not identify a specific vehicle application, which limits fitment guidance.

Listed on Amazon as: MBRP S5534AL AL 2 1/2" Single Cat Back