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Hot Item Magnaflow Exhaust Products 15673 Competition Series Stainless Cat-back System Perfect Gift [HQ0RM65X]

$71.99 $230.99 -69%

The MagnaFlow Ford Mustang Competition Series 15673 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we're so well known for. This exhaust kit is designed to enhance your 4.6L 1999-2004 Ford Mustang with dyno-proven per

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The MagnaFlow Ford Mustang Competition Series 15673 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we're so well known for. This exhaust kit is designed to enhance your 4.6L 1999-2004 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On-Single Wall-Angle Cut-Cut Edge tips featuring a sporty finish. The exhaust system's cat-back layout replaces your ride's exhaust system from near the catalytic converter on back. Exhaust system 15673 is engineered to make your vehicle's engine produce Agressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 15673's direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow's limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Resources
Installation Instructions

Specifications:

Attachment Type Bolt-On
Description_ABR ExhSystem
Description_ASC Camaro-Corvette-Challenger-Mustang Sound Clip
Description_ASC Made in the USA and engineered to last, MagnaFlow performance exhausts system deliver the sound you want and the power you need. MagnaFlow is the right exhaust for your daily driver, track star or custom show stopper Mustang. With power support options, black or polished finished and even systems to satisfy your ears desire for more or less sound, you can choose the MagnaFlow system that no only fits your car but satisfies your personal tastes and needs.
Description_ASC The MagnaFlow Ford Mustang Competition Series 15673 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 4.6L 1999-2004 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On-Single Wall-Angle Cut-Cut Edge tips featuring a sporty finish. The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back. Exhaust system 15673 is engineered to make your vehicle’s engine produce Agressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 15673’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Description_ASC The MagnaFlow Ford Mustang Competition Series 15673 brings an aggressive; attention-grabbing edge to the deep resonant exhaust note we re so well known for. This exhaust kit is designed to enhance your 4.6L 1999-2004 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On-Single Wall-Angle Cut-Cut Edge tips featuring a sporty finish. The exhaust system s cat-back layout replaces your ride s exhaust system from near the catalytic converter on back. Exhaust system 15673 is engineered to make your vehicle s engine produce Agressive exterior and Moderate interior sound levels; befitting its competition-oriented design. 15673ft.s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing; all backed by MagnaFlow s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Description_DEF Exhaust System Kit
Description_DES Competition Series Stainless Cat-Back System
Description_EXT Competition Series Stainless Cat-Back System
Description_FAB 100 Percent All Stainless Steel
Description_FAB Dyno Tested And Proven To Make Power
Description_FAB Easy To Install
Description_FAB Great Sound Has A Smooth Deep Tone
Description_FAB Limited Lifetime Warranty Against Manufacturing Defects
Description_FAB Mandrel Bent/All Welded/Built To Last
Description_FAB Performance Gains In Horsepower And Torque
Description_INV Exhaust System
Description_KEY Exhaust,MagnaFlow,Muffler,Performance,Cat Back,Exhaust System,Stainless,Mandrel
Description_KEY Exhaust;MagnaFlow;Muffler;Performance;Cat Back;Exhaust System;Stainless;Mandrel
Description_LAB Cat-Back
Description_LAB Made In Logo
Description_MKT The MagnaFlow Ford Mustang Competition Series 15673 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we're so well known for. This exhaust kit is designed to enhance your 4.6L 1999-2004 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On-Single Wall-Angle Cut-Cut Edge tips featuring a sporty finish. The exhaust system's cat-back layout replaces your ride's exhaust system from near the catalytic converter on back. Exhaust system 15673 is engineered to make your vehicle's engine produce Agressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 15673's direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow's limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Description_MKT The MagnaFlow Ford Mustang Competition Series 15673 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 4.6L 1999-2004 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On-Single Wall-Angle Cut-Cut Edge tips featuring a sporty finish. The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back. Exhaust system 15673 is engineered to make your vehicle’s engine produce Agressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 15673’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Description_SHO Cat-Back
Description_UNS 25173700
Exhaust Pipe Material Stainless
Exhaust Tip Length 16
Exhaust Tip Shape Round
Exhaust Type Dual
Exit Position Dual Split Rear
Exit Quantity Dual
Exit Style Dual Split Rear
finish Stainless
height 15.5
Inlet Connection Type Bolt-On
Inlet Inside Diameter 2.500 in.
length 57.125
LTL N
Main Piping Diameter 2.500 in.
Material Stainless
Muffler Body Diameter 4.000 in. x 4.000 in.
Muffler Body Finish Polished
Muffler Body Height 4.000 in.
Muffler Body Length 14.000 in.
Muffler Body Material Stainless Steel
Muffler Body Shape Round
Muffler Body Width 4.000 in.
Muffler Count 2
Muffler Finish Polished
Muffler Type Straight-Through
Outlet Outside Diameter 3.500 in.
Pipe Material Stainless Steel
Recommended Use Performance
Series Competition
Sound Level Aggressive
Subtitles Cat-Back
System Type Cat Back
Tail Pipe Diameter 2.500 in.
Tip Diameter 3.500 in.
Tip Finish Polished
Tip Length 16.000 in.
Tip Material Stainless Steel
Tip Quantity 2
Tip Shape Round
Tip Type Clamp-On;Single Wall;Angle Cut;Cut Edge
Title MagnaFlow 1999-2004 Ford Mustang Competition Series Cat-Back Performance Exhaust System
Tubing Diameter 2.500 in.
Type Cat-Back
WARNING CA Proposition 65 No
weight 43.0
width 12.375

What Our Customers Say

January 3, 2026

Absolutely no complaints!

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January 3, 2026

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January 3, 2026

Absolutely no complaints!

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