Magnaflow 16394 Catback Exhaust - MagnaFlow 99-04 Mustang Mach 1 V8 4.6L Dual Split Rear Exit Stainless Cat-Back Performance Exhaust for a 1999-2004 Ford Mustang GT, 2001-2001 Ford Mustang GT Bullitt and 2003-2004 Ford Mustang Mach 1.
Manufacturer: Magnaflow
Product: Magnaflow Catback Exhaust
Part Number: 16394
UPC: 841380087782
$1,069.00
Coupon Code:OGSavings
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK - LOW
WAREHOUSE (East: 1 | Midwest: 1)
Generally ships within 1 business day.
WAREHOUSE (East: 1 | Midwest: 1)
Generally ships within 1 business day.
Have a question regarding this product? Contact us.
Fitment:
NOTES: MagnaFlow 99-04 Mustang Mach 1 V8 4.6L Dual Split Rear Exit Stainless Cat-Back Performance Exhaust
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1999 - 2004 | Ford | Mustang | GT | ||
| 2001 - 2001 | Ford | Mustang | GT Bullitt | ||
| 2003 - 2004 | Ford | Mustang | Mach 1 |
Description:
The MagnaFlow 1999-2004 Ford Mustang Competition Series Cat-Back Performance Exhaust System 16394 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 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3in. 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 16394 is engineered to make your vehicle's engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16394'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.. Magnaflow Competition Series Stainless Cat-Back System.
The MagnaFlow 1999-2004 Ford Mustang Competition Series Cat-Back Performance Exhaust System 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 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3in. 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 16394 is engineered to make your vehicle's engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16394'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.
The MagnaFlow Ford Mustang Competition Series 16394 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 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3in. 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 16394 is engineered to make your vehicle’s engine produce Agressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16394’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.
The MagnaFlow 1999-2004 Ford Mustang Competition Series Cat-Back Performance Exhaust System 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 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3in. 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 16394 is engineered to make your vehicle's engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16394'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.
The MagnaFlow Ford Mustang Competition Series 16394 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 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3in. 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 16394 is engineered to make your vehicle’s engine produce Agressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16394’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.
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Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
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(Can take days or weeks, contact us for an ETA)
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SHIPS FROM MANUFACTURER
(Last checked: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
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