Best Exhaust For S550 Mustang GT

Add aftermarket headers, cat backs, and more for power and sound! These S550 Mustang best exhaust kits sound great and provide more horsepower, torque, and gas mileage!

Are you looking for an aggressive sound for your new Ford Mustang GT? We have 2015-2023 Mustang axle-back exhaust that is easily installed and quickly gives your S550 Mustang a tone that turns heads when you're driving down the street! If you're looking to change the exhaust tone a bit, then check out our line of 2015-2023 Mustang resonator deletes. These S550 resonator deletes take the place of the big, bulky factory resonator to give your Mustang GT a better exhaust note and reduce weight! Find the best choice for your 2015-2023 Mustang GT exhaust below now!

#1 | S550 Mustang Headers

These 2015-2023 Mustang high-performance headers replace your stock exhaust manifolds with wider tubes to flow more exhaust, increasing horsepower and torque. Whether you need shorty or long tube headers, LMR.com has what you need to get your coyote motor putting out more power! Choose from popular brands such as BBK, Ultimate Headers, Stainless Power, Kooks, and JBA. Available in different finishes to last long and look great! Shop our selection of 2015-2023 Mustang headers below!

BENEFITS

• Increased Power
• Improved Exhaust Flow

FEATURES

• Stainless Steel Construction
• Quality Engineering
• Often Bolt-On Capable

WILL THIS FIT MY MUSTANG?

• BBK Long Tube Headers - 1 3/4 Ceramic (11-23) - BBK-16330
• BBK Long Tube Headers - 1 3/4" Chrome (11-23) - BBK-1633
• BBK Long Tube Headers - 1 7/8" Titanium Ceramic (11-23) - BBK-1856
• BBK Long Tube Headers - 1 7/8" Polished Silver Ceramic (11-23) - BBK-18560

• Ultimate Headers Long Tube Headers - 1 7/8" - Catted Extensions (18-23) - LRS-475031

• JBA Cat4ward Shorty Headers - Bare Stainless Steel (15-23) - JBA-1689S

• BBK O2 Extensions (15-17) - BBK-16332
• BBK O2 Extensions (18-23) - BBK-1121
• DEI Titanium Exhaust Wrap Kit - DEI-010095
• DEI Black Titanium Exhaust Wrap - DEI-010003
• DEI Floor & Tunnel Shield II - Extreme Heat Shield - DEI-050501
• BBK Header Collector Hardware for BBK Headers (79-23) - BBK-1571
• Exhaust Manifold Hardware Kit - Fine Thread Cylinder Head (11-23) 5.0/5.2 - LRS-714869K
• Stage 8 Replacement Lock & Clip Kit For Header Bolts - STG-PP8913

#2 | S550 Mustang Mid Pipes, X Pipes, H Pipes & Resonator Deletes

Add more horsepower and performance to your 2015-2023 Mustang with a new x-pipe, h-pipe, mid-pipe, or resonator delete. By replacing your restrictive resonator with a high flow mid-pipe, you will improve your Mustang's exhaust flow, helping free up power and performance. These mid-pipes are wider in diameter and are offered with or without catalytic converters. Choose a catalytic mid-pipe or resonator delete to keep your S550 emissions legal with two high-flow catalytic converters. These mid-pipes are offered in various finishes to make your exhaust system look great! These mid-pipes fit 2015-2023 Mustangs.

BENEFITS

• Increased Horsepower & Torque
• Agressive Exhaust Tone

FEATURES

• Stainless Steel Construction
• Often Bolt-On
• Mandrel Bent Tubing

WILL THIS FIT MY MUSTANG?

• SVE X-Pipe Resonator Delete (15-23) - LRS-5251A

• MBRP Resonator Delete - Aluminized Steel (15-23) - MBR-S7213AL
• MBRP Resonator Delete - 409 Stainless Steel (15-23) - MBR-S7213409

• Corsa Double Helix Resonator Delete - 3" X-Pipe (15-23) – CSE-14327

• BBK 3" Catted Mid-Pipe - For Long Tube Headers (15-23) – BBK-1816

• Roush H-Pipe Resonator Delete (15-23) – RSH-422119
• Roush X-Pipe Resonator Delete (15-23) - RSH-422046

• Ford Performance Side Exhaust System (15-23) – M5220M8
• Ford Performance X-Pipe (15-23) - M5251M8

• RH Oxygen Sensor 5.0L - Automatic (15-17) - LRS-9F472D
• LH Oxygen Sensor 5.0L - MT82 & Automatic (15-17) - LRS-9F472E
• Heated Exhaust Gas Oxygen Sensor - RH GT - Upstream 2.3L (15-20) 5.0/2.3 - LRS-9F472C
• LH Oxygen Sensor - 10R80 & MT82 (18-23) 5.0 - LRS-39472A
• RH Oxygen Sensor - 10R80 Transmission (18-23) - LRS-39472B
• RH Oxygen Sensor - MT82 Transmission (18-23) - LRS-39472C
• Upstream HEGO Oxygen Sensor (15-23) - LRS-39472AB
• Pypes Exhaust O2 Sensor Weld In Boss/Bung Kit - MAC-X302
• Pypes O2 (Oxygen Sensor) Plug Kit - PYP-02PLUGS

#3 S550 Axle Back

Increase horsepower and torque in your S550 with a 2015-2023 Mustang axle-back exhaust kit! These performance systems are cut and clamp designs and allow you to flow more exhaust, increasing horsepower and torque in your new 2015-2023 Mustang. These axle back exhaust kits increase power, but they also give you an aggressive exhaust sound! Choose top axle-back exhaust manufacturers like SVE, Ford Performance, Borla, Roush, Corsa, and more!

BENEFITS

• Rich Exhaust Tone
• Increased Performance
• Different Sound Options

FEATURES

• Black or Steel Finishes
• Different Inlet/Outlet Setups

WILL THIS FIT MY MUSTANG?

• SVE Axle Back Exhaust Kit (15-17) – SVE-5230D
• SVE Axle Back Exhaust Kit (18-23) - SVE-3051

• Roush Axle Back Exhaust (15-17) – RSH-421834
• Roush Axle Back Exhaust Kit (18-23) - RSH-422097

• Flowmaster American Thunder Axle Back Exhaust (15-17) - FLO-817749
• Flowmaster American Thunder Axle Back Exhaust - w/o Active Exhaust (18-23) - FLO-817807

• Corsa 3" Sport Axle Back With 4.5" Polished Tips - Non-active (15-17) - CSE-14326
• Corsa 4" Quad Tip Kit - Black (15-23) - CSE-14333BLK

• MBRP Axle Back Exhaust - 304 Stainless Steel Black (18-23) - MBR-S7211BLK
• MBRP Axle Back Exhaust - 304 Stainless Steel w/ Polished Tips (18-23) - MBR-S7211304

• Borla ATAK Axle Back Exhaust (15-17) - BOR-11895
• Borla Stinger S-Type Axle Back Exhaust (15-17) - BOR-11887
• Borla S-Type Axle Back Exhaust w/o Valves - Black Chrome Quad Tip (18-23) - BOR-11953BC

• SLP Loudmouth 2 Axle Back Exhaust Kit (15-17) - SLP-620055

• Magnaflow Competition Series Axle Back Exhaust (15-17) - MPE-19103

• 2.5" Easy Seal Exhaust Clamp - WLK-35979
• 3" Exhaust Clamp, Pair Stainless - PYP-HVC13K
• 2.5" Aluminized Band Clamp (79-23) - LRS-250EC-K
• 3" Aluminized Band Clamp (79-23) - LRS-300EC-K

#4| S550 Mustang Catbacks

These 2015-2023 Mustang bolt-on cat-back exhaust kits bolt directly to your factory components for an easy and quick way to increase power and sound! The increased flow of these Mustang cat-back exhaust systems will give your S550 a menacing sound that will turn heads while you're driving down the street! Choose from great brands like SVE, Magnaflow, Roush, Borla, Corsa, Flowmaster, and more! Including choices from the dual tip and quad-tip options!

BENEFITS

• Increased Performace & Throttle Response
• Generates Deep Off-Road Exhaust Tone
• Increases Fuel Efficiency

FEATURES

• Manufactured Using CNC Bending To Create Smooth Mandrel Bends
• Different Sized Tubing and Tips

WILL THIS FIT MY MUSTANG?

• MBRP Street Cat Back 3" Exhaust - Aluminized Steel (15-17) GT Coupe - MBR-S7277AL
• MBRP Street Cat Back 3" Exhaust Kit - Stainless Steel (15-17) GT Coupe - MBR-S7277409
• MBRP Street Cat Back 3" Exhaust Kit - Aluminized Steel (15-17) GT Coupe - MBR-S7277BLK
• MBRP Race Cat Back 3" Exhaust - Aluminized Steel (15-17) GT Coupe - MBR-S7278AL
• MBRP Race Cat Back 3" Exhaust - Stainless Steel (15-17) GT Coupe - MBR-S7278BLK
• MBRP Race Cat Back 3" Exhaust - Stainless Steel (15-17) GT Coupe - MBR-S7278409
• MBRP Race Cat Back - Aluminized Steel (18-23) - MBR-S7207AL
• MBRP Street Cat Back Exhaust - Aluminized Steel (18-23) - MBR-S7205AL
• MBRP Race Cat Back - Aluminized Steel (18-23) - MBR-S7207BLK
• MBRP Street Cat Back Exhaust - Aluminized Steel (18-23) - MBR-S7205BLK
• MBRP Street Cat Back Exhaust - Stainless Steel (18-23) - MBR-S7205304

• Corsa Xtreme 3" Cat Back Exhaust - 4.5" Polished Tips (15-17) - CSE-14328
• Corsa Xtreme 3" Cat Back Exhaust - 4.5" Black Tips (15-17) - CSE-14328BLK
• Corsa Xtreme 3" Cat Back Exhaust - w/o Active Exhaust (15-23) - CSE-14335BLK
• Corsa Xtreme 3" Cat Back Exhaust - w/o Active Exhaust (15-23) - CSE-14335
• Corsa Sport 3" Cat Back Exhaust - w/o Active Exhaust (15-23) - CSE-14337
• Corsa Xtreme 3" Cat Back Exhaust - w/ Active Exhaust (18-23) - CSE-21001

• Borla ATAK 2.5" Cat Back Exhaust - 4.0" Tips (15-17) GT Coupe/Convertible - BOR-140591
• Borla S-Type 2.5" Cat Back Exhaust - 4.0" Tips (15-17) GT Coupe/Convertible - BOR-140590
• Borla S-Type 2.5" Cat Back Exhaust - 4" Black Tips (15-17) GT Coupe/Convertible - BOR-140590BC
• Borla ATAK 3" Cat Back Exhaust - 4.0" Black Tips (15-17) GT Coupe - BOR-140630BC
• Borla S-Type Active Exhaust Cat Back - Black (18-23) - BOR-140742BC
• Borla ATAK Active Exhaust Cat Back - Black (18-23) - BOR-140743BC

• Flowmaster Outlaw Cat Back Exhaust Kit - w/o Active Exhaust (18-23) - FLO-817808

• Magnaflow Competition 3" Cat Back Exhaust Kit - 4.5" Tips (15-17) GT Coupe/Convertible - MPE-19101
• Magnaflow Comp Series Active Cat Back Exhaust w/ X-Pipe - Polished Tips (18-23) - MPE-19368

• Roush Cat Back Exhaust Kit - Coupe (18-23) - RSH-422093

• Corsa 4" Quad Tip Kit - Black (15-23) - CSE-14333BLK

We at LMR hope this Best Exhaust systems buying guide has helped you decide which aftermarket exhaust brand best suits your needs by letting you weigh the benefits and features. Also, be in mind that all of the brands in this list are top manufacturers in the industry, so you can’t go wrong with your choice. Choosing the best sounding exhaust isn’t easy, so be sure to give us a call if you have any questions or concerns!