54+ 1984 Ford Mustang Mufflers & Resonators GT-350 20th Anniversary Parts

GT-350 20th Anniversary · Mufflers & Resonators (49 products)

Exact-fit parts for the 1984 Ford Mustang GT-350 20th Anniversary.

BBK 79-93 Mustang 5.0 Short Mid X Pipe w Catalytic Converters 2-1/2 For Automatic Long Tube Headers

BBK

Part # 1810

Confirmed Fit

BBK 79-93 Mustang 5.0 Short Mid X Pipe w Catalytic Converters 2-1/2 For Automatic Long Tube Headers

$629.75

Cometic Ford Windsor V8 .060in HTS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5898HTS

Confirmed Fit

Cometic Ford Windsor V8 .060in HTS Exhaust Manifold Gasket Set

$33.57

Fel-Pro

Part # ES72142

Confirmed Fit

Fel-Pro Ford F-150 ES 72142 Exhaust Bolt and Spring

$13.36

Magnaflow

Part # 50005

Confirmed Fit

MagnaFlow Conv Univ 2.25inch Preconv.

$170.00

Magnaflow

Part # 94016

Confirmed Fit

MagnaFlow Conv Univ 2.5 W/Air FED

$137.00

Cometic Turbo FLG T3/T4 Turbine Inlet Exhaust Gasket

Cometic Gasket

Part # C4514

Confirmed Fit

Cometic Turbo FLG T3/T4 Turbine Inlet Exhaust Gasket

$9.55

MAHLE Original Detomaso Pantera 89-87 Exhaust Gas Recirculation Valve Gasket

Victor Reinz

Part # G26702

Confirmed Fit

MAHLE Original Detomaso Pantera 89-87 Exhaust Gas Recirculation Valve Gasket

$14.86

Magnaflow

Part # 337303

Confirmed Fit

MagnaFlow Conv Universal 1.75 inch C/C CA Pre-OBDII

$402.00

Cometic Ford Windsor V8 .094in HTG Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5898HTG

Confirmed Fit

Cometic Ford Windsor V8 .094in HTG Exhaust Manifold Gasket Set

$40.27

Kooks SB Ford Dual Pattern Outer Gasket Alum

Kooks Headers

Part # PY-8010A-8014-AL

Confirmed Fit

Kooks SB Ford Dual Pattern Outer Gasket Alum

$52.83

Cometic .016in Stainless T3/GT30R Turbo Inlet Flange Gasket

Cometic Gasket

Part # C15585

Confirmed Fit

Cometic .016in Stainless T3/GT30R Turbo Inlet Flange Gasket

$13.18

Cometic Ford Windsor V8 .064in ArmorCore Exhaust Mani Gasket Set

Cometic Gasket

Part # C5655-064

Confirmed Fit

Cometic Ford Windsor V8 .064in ArmorCore Exhaust Mani Gasket Set

$33.61

Magnaflow

Part # 3322306

Confirmed Fit

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 2.50in PC1

$618.98

Cometic Ford Windsor .060in HTS Exhaust Mani Gasket Set-1.422in x 1.625in

Cometic Gasket

Part # C15651-060

Confirmed Fit

Cometic Ford Windsor .060in HTS Exhaust Mani Gasket Set-1.422in x 1.625in

$40.72

Cometic Ford Windsor V8 .043in Copper Exhaust Manifold Gasket Set - 1.750in x 1.270in Oval Port

Cometic Gasket

Part # C5154

Confirmed Fit

Cometic Ford Windsor V8 .043in Copper Exhaust Manifold Gasket Set - 1.750in x 1.270in Oval Port

$53.34

BBK 79-93 Mustang 5.0 Short Mid X Pipe With Catalytic Converters 2-1/2 For BBK Long Tube Headers

BBK

Part # 1659

Confirmed Fit

BBK 79-93 Mustang 5.0 Short Mid X Pipe With Catalytic Converters 2-1/2 For BBK Long Tube Headers

$629.75

Magnaflow

Part # 338016

Confirmed Fit

MagnaFlow Conv Univ 2.5in ID Inlet/Outlet Center/Center Oval Rear

$319.00

Cometic Ford 302/351 Small Block V8 .094in HTG Exhaust Manifold Gskt Set-1.750in x 1.250in Oval Port

Cometic Gasket

Part # C15306HTG

Confirmed Fit

Cometic Ford 302/351 Small Block V8 .094in HTG Exhaust Manifold Gskt Set-1.750in x 1.250in Oval Port

$38.98

Magnaflow

Part # 337304

Confirmed Fit

MagnaFlow Conv Universal 2 inch C/C CA Pre-OBDII

$316.00

Fel-Pro

Part # ES75114

Confirmed Fit

Fel-Pro Ford F-150 ES 75114 Exhaust Manifold Hardware Kit

$33.84

Frequently Asked Questions

Do these parts fit my 1984 Ford Mustang GT-350 20th Anniversary?

This page groups parts listed for the 1984 Ford Mustang GT-350 20th Anniversary. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What mufflers & resonators options are available for my 1984 Ford Mustang GT-350 20th Anniversary?

We offer a wide selection of mufflers & resonators parts for the 1984 Ford Mustang GT-350 20th Anniversary. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1984 Ford Mustang GT-350 20th Anniversary?

We carry parts from trusted brands including Cometic Gasket, Magnaflow, Fel-Pro, Victor Reinz, and BBK, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1984 Ford Mustang GT-350 20th Anniversary parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1984 Ford Mustang GT-350 20th Anniversary parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1984 Ford Mustang(3,484 parts)

1984 Ford Mustang(3,484 parts)

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GT-350 20th Anniversary · Mufflers & Resonators (49 products)

BBK 79-93 Mustang 5.0 Short Mid X Pipe w Catalytic Converters 2-1/2 For Automatic Long Tube Headers

Cometic Ford Windsor V8 .060in HTS Exhaust Manifold Gasket Set

Fel-Pro Ford F-150 ES 72142 Exhaust Bolt and Spring

MagnaFlow Conv Univ 2.25inch Preconv.

MagnaFlow Conv Univ 2.5 W/Air FED

Cometic Turbo FLG T3/T4 Turbine Inlet Exhaust Gasket

MAHLE Original Detomaso Pantera 89-87 Exhaust Gas Recirculation Valve Gasket

MagnaFlow Conv Universal 1.75 inch C/C CA Pre-OBDII

Cometic Ford Windsor V8 .094in HTG Exhaust Manifold Gasket Set

Kooks SB Ford Dual Pattern Outer Gasket Alum

Cometic .016in Stainless T3/GT30R Turbo Inlet Flange Gasket

Cometic Ford Windsor V8 .064in ArmorCore Exhaust Mani Gasket Set

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 2.50in PC1

Cometic Ford Windsor .060in HTS Exhaust Mani Gasket Set-1.422in x 1.625in

Cometic Ford Windsor V8 .043in Copper Exhaust Manifold Gasket Set - 1.750in x 1.270in Oval Port

BBK 79-93 Mustang 5.0 Short Mid X Pipe With Catalytic Converters 2-1/2 For BBK Long Tube Headers

MagnaFlow Conv Univ 2.5in ID Inlet/Outlet Center/Center Oval Rear

Cometic Ford 302/351 Small Block V8 .094in HTG Exhaust Manifold Gskt Set-1.750in x 1.250in Oval Port

MagnaFlow Conv Universal 2 inch C/C CA Pre-OBDII

Fel-Pro Ford F-150 ES 75114 Exhaust Manifold Hardware Kit

Frequently Asked Questions

Do these parts fit my 1984 Ford Mustang GT-350 20th Anniversary?

What mufflers & resonators options are available for my 1984 Ford Mustang GT-350 20th Anniversary?

What brands make parts for the 1984 Ford Mustang GT-350 20th Anniversary?

How fast do 1984 Ford Mustang GT-350 20th Anniversary parts ship?

What warranty do your 1984 Ford Mustang GT-350 20th Anniversary parts come with?