This Flow FX cat-back exhaust system is designed for the 1986-1993 Ford Mustang LX (1986 GT) with the 5.0L engine. Features include 409 stainless steel construction for added durability and 16-gauge 2.5-inch mandrel-bent tubing for unrestricted exhaust flow. Stock style, polished stainless steel tailpipes give your car the classic 5.0 look and have the Flowmaster logo laser etched along the side for added style. The stainless "straight-through" Flow FX performance mufflers deliver a moderate yet deep and powerful sound while the interior sound is kept very mild. The system uses the factory hanger locations and includes detailed instructions and all hardware necessary for a quick and easy installation you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
| Brand |
Flowmaster |
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| CARB (California) Compliant |
Yes |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| 2874 |
0 |
| Category |
Exhaust |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 3728 |
Flat Band |
| 1882 |
Yes |
| 1882 |
Yes |
| Emission Code |
5 |
| Emission Code |
5 |
| Exhaust Series |
FlowFX |
| Exhaust Series |
FlowFX |
| 9874 |
Welded |
| 9874 |
Welded |
| 9876 |
Angled |
| 9876 |
Angled |
| 1162 |
2.50 |
| 1162 |
2.50 |
| 9877 |
Slash Cut |
| 9877 |
Slash Cut |
| 1163 |
Polished |
| 1163 |
Polished |
| 9881 |
No |
| 9881 |
No |
| 10104 |
24.50 |
| 10104 |
24.50 |
| 1164 |
304 Stainless Steel |
| 1164 |
304 Stainless Steel |
| 1161 |
2 |
| 1161 |
2 |
| 9878 |
No |
| 9878 |
No |
| 10980 |
Round |
| 10980 |
Round |
| 9875 |
Single Wall |
| 9875 |
Single Wall |
| 9870 |
Dual Out Rear |
| 9870 |
Dual Out Rear |
| 200 |
Natural |
| 200 |
Natural |
| 353 |
No |
| 353 |
No |
| 3390 |
Performance |
| 3390 |
Performance |
| 4364 |
Yes |
| 4364 |
Yes |
| Heat Shield Included |
No |
| Heat Shield Included |
No |
| 596 |
Flanged |
| 596 |
Flanged |
| 9871 |
2.50 |
| 9871 |
2.50 |
| Mount Type |
Uses Factory Hangers |
| Mount Type |
Uses Factory Hangers |
| 92 |
No |
| 92 |
No |
| 11021 |
4.00 |
| 11021 |
4.00 |
| 11022 |
14.00 |
| 11022 |
14.00 |
| 11023 |
9.00 |
| 11023 |
9.00 |
| 11064 |
Absorption |
| 11064 |
Absorption |
| 11048 |
4.00 |
| 11048 |
4.00 |
| 11049 |
14.00 |
| 11049 |
14.00 |
| 11050 |
9.00 |
| 11050 |
9.00 |
| 11073 |
Absorption |
| 11073 |
Absorption |
| 1892 |
14.00 |
| 1892 |
14.00 |
| 4372 |
409 Stainless Steel |
| 4372 |
409 Stainless Steel |
| 4373 |
Oval |
| 4373 |
Oval |
| Muffler Color |
Silver |
| Muffler Color |
Silver |
| 9882 |
Natural |
| 9882 |
Natural |
| 4367 |
Yes |
| 4367 |
Yes |
| 4368 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| Muffler Included |
Yes |
| 9962 |
Loose Flange |
| 9962 |
Loose Flange |
| 4365 |
2.50 |
| 4365 |
2.50 |
| Muffler Inlet Location |
Offset |
| Muffler Inlet Location |
Offset |
| 4366 |
2.63 |
| 4366 |
2.63 |
| 9963 |
Slip-Fit |
| 9963 |
Slip-Fit |
| Muffler Outlet Diameter |
2.50 |
| Muffler Outlet Diameter |
2.50 |
| 4375 |
1 |
| 4375 |
1 |
| Muffler Overall Length |
34.50 |
| Muffler Overall Length |
34.50 |
| Muffler Part Number |
Kit Only |
| Muffler Part Number |
Kit Only |
| 4374 |
2 |
| 4374 |
2 |
| Muffler Series |
FlowFX |
| Muffler Series |
FlowFX |
| 1174 |
Absorption |
| 1174 |
Absorption |
| part type |
Exhaust System |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Product Type |
Exhaust System |
| Sound Level |
Moderate/Mild |
| Sound Level |
Moderate/Mild |
| 4377 |
No |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
2.50 |
| 4369 |
2.50 |
| 4376 |
2 |
| 4376 |
2 |
| Tail Pipe Quantity |
Dual |
| Tail Pipe Quantity |
Dual |
| 4370 |
No |
| 4370 |
No |
| 26 |
Cat-Back |
| 26 |
Cat-Back |
| 6014 |
No |
| 6014 |
No |
| 2126 |
Not Applicable |
| 2126 |
Not Applicable |
| Warning |
California Proposition 65 |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| Pipe Color |
Silver |
| Description_ABR |
SYS 86-93 MU |
| Description_SHO |
SYS 86-93 MUSTANG 5. |
| Description_INV |
86-93 MUSTANG 5.0L LX /86 GT FFX |
| Description_ASC |
Fits coupe and convertible models |
| Description_DES |
Flowmaster Flow FX Cat-Back Exhaust System |
| Description_EXT |
1986-1993 Ford Mustang LX 5.0L (1986 GT) Flow FX Cat-Back, 2.5" 409 Stainless Steel Exhaust System |
| Description_MKT |
This Flow FX cat-back exhaust system is designed for the 1986-1993 Ford Mustang LX (1986 GT) with the 5.0L engine. Features include 409 stainless steel construction for added durability and 16-gauge 2.5-inch mandrel-bent tubing for unrestricted exhaust flow. Stock style, polished stainless steel tailpipes give your car the classic 5.0 look and have the Flowmaster logo laser etched along the side for added style. The stainless "straight-through" Flow FX performance mufflers deliver a moderate yet deep and powerful sound while the interior sound is kept very mild. The system uses the factory hanger locations and includes detailed instructions and all hardware necessary for a quick and easy installation you can do at home. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
FlowFX “straight-through” Performance Mufflers Deliver a Deep Performance Tone and Increase Performance |
| Description_FAB |
Mandrel Bent 16-Gauge 409 Stainless Steel Pipes Increase Exhaust Pulse Velocity for More Power and Offer Great Corrosion Resistance |
| Description_FAB |
This LX Version has the Classic 5.0L Polished Stainless Steel Tailpipe Look with the Flowmaster Logo Laser Etched on the Side |
| Description_FAB |
Includes Hangers and Hardware for an at Home Installation |
| Description_FAB |
Factory Hanger Locations Used for an Easy Installation |
| Description_FAB |
Increases of 5 HP and 4 FT.LB Over the Stock Exhaust |
| Description_FAB |
Covered by Our Lifetime Limited Warranty |
| Description_ABR |
SYS 86-93 MU |
| Description_SHO |
SYS 86-93 MUSTANG 5. |
| Description_INV |
86-93 MUSTANG 5.0L LX /86 GT FFX |
| Description_ASC |
Fits coupe and convertible models |
| Description_DES |
Flowmaster Flow FX Cat-Back Exhaust System |
| Description_EXT |
1986-1993 Ford Mustang LX 5.0L (1986 GT) Flow FX Cat-Back, 2.5" 409 Stainless Steel Exhaust System |
| Description_MKT |
This Flow FX cat-back exhaust system is designed for the 1986-1993 Ford Mustang LX (1986 GT) with the 5.0L engine. Features include 409 stainless steel construction for added durability and 16-gauge 2.5-inch mandrel-bent tubing for unrestricted exhaust flow. Stock style, polished stainless steel tailpipes give your car the classic 5.0 look and have the Flowmaster logo laser etched along the side for added style. The stainless "straight-through" Flow FX performance mufflers deliver a moderate yet deep and powerful sound while the interior sound is kept very mild. The system uses the factory hanger locations and includes detailed instructions and all hardware necessary for a quick and easy installation you can do at home. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
FlowFX “straight-through” Performance Mufflers Deliver a Deep Performance Tone and Increase Performance |
| Description_FAB |
Mandrel Bent 16-Gauge 409 Stainless Steel Pipes Increase Exhaust Pulse Velocity for More Power and Offer Great Corrosion Resistance |
| Description_FAB |
This LX Version has the Classic 5.0L Polished Stainless Steel Tailpipe Look with the Flowmaster Logo Laser Etched on the Side |
| Description_FAB |
Includes Hangers and Hardware for an at Home Installation |
| Description_FAB |
Factory Hanger Locations Used for an Easy Installation |
| Description_FAB |
Increases of 5 HP and 4 FT.LB Over the Stock Exhaust |
| Description_FAB |
Covered by Our Lifetime Limited Warranty |
