{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2009 Ford Mustang
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2009 Ford Mustang

2009 Ford Mustang Mufflers

Refine by:

Shop Catalog

Showing 1 - 15 of 488 results
Display item:
15
30
45
Sort by:
dBX Series Muffler, Natural, May Require Minor Modification
Flowmaster®
dBX Series Muffler, Natural, May Require Minor Modification
Part Number: F1312514310
Guaranteed to Fit
$205.15
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Series : dBX SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : ModerateMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : CenterCase Shape : RoundOverall Length : 20 in. overall lengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150116, 842446Internal Construction : ChamberedInlet Location : CenterHeight : 6 in. HeightBody Length : 14 in. Body LengthWidth : 6 in. Width
40 Series Delta Flow Series Muffler, Black, May Require Minor Modification
Flowmaster®
40 Series Delta Flow Series Muffler, Black, May Require Minor Modification
Part Number: F13942543
Guaranteed to Fit
$120.55
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Notes : Includes - Resonator, extension pipe, and clampsSeries : 40 Series Delta Flow SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler, Black, Direct Fit
Flowmaster®
Muffler, Black, Direct Fit
Part Number: F13842443
Guaranteed to Fit
$149.95
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L
Product Details
Color Finish : BlackQuantity Sold : Sold individuallyWarranty : 1-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Stainless SteelRecommended Use : OE ReplacementProduct Fit : Direct Fit
40 Series Original Series Muffler, Black, May Require Minor Modification
Flowmaster®
40 Series Original Series Muffler, Black, May Require Minor Modification
Part Number: F138042543
Guaranteed to Fit
$111.55
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Notes : May Require Minor ModificationSeries : 40 Series Original SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150102, 842446Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
40 Series Original Series Muffler, Gray, May Require Minor Modification
Flowmaster®
40 Series Original Series Muffler, Gray, May Require Minor Modification
Part Number: F138042443
Guaranteed to Fit
$111.55
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L
Product Details
Notes : May Require Minor ModificationSeries : 40 Series Original SeriesInlet Size : 2.25 in. Inlet SizeOutlet Size : 2.25 in. Outlet SizeColor Finish : GrayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150110Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Super 44 Series Muffler, Black, May Require Minor Modification
Flowmaster®
Super 44 Series Muffler, Black, May Require Minor Modification
Part Number: F13842548
Guaranteed to Fit
$114.25
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Notes : May Require Minor ModificationSeries : Super 44 SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150116, 842446Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Super 44 Series Muffler, Black, May Require Minor Modification
Flowmaster®
Super 44 Series Muffler, Black, May Require Minor Modification
Part Number: F13842448
Guaranteed to Fit
$114.25
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Notes : May Require Minor ModificationSeries : Super 44 SeriesInlet Size : 2.25 in. Inlet SizeOutlet Size : 2.25 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150103, 842446Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F13942443
Guaranteed to Fit
$129.55
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L
Product Details
Series : 40 Series Delta Flow SeriesInlet Size : 2.25 in. Inlet SizeOutlet Size : 2.25 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler, Automatic Transmission, To 9/23/2008
BRExhaust®
Muffler, Automatic Transmission, To 9/23/2008
Part Number: BO1008268
Guaranteed to Fit
$135.49
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L Automatic Transmission, To 9/23/2008
Product Details
Location : Driver Or Passenger SideNotes : (1) Inlet Quantity; (1) Outlet Quantity; 9.75 in. Body Width; Aluminized Steel Pipe MaterialQuantity Sold : Sold individuallyWarranty : 2-year BRExhaust limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Overall Length : 29 in.Recommended Use : OE Replacement
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F13842543
Guaranteed to Fit
$139.45
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Notes : May Require Minor ModificationSeries : 40 Series Delta Flow SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler, Factory Finish, Requires PN36444
Dynomax®
Muffler, Factory Finish, Requires PN36444
Part Number: D2217571
Guaranteed to Fit
$213.49
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Base 6 Cyl 4.0L Requires PN[36444]
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
  • 2009 Ford Mustang Shelby GT500 8 Cyl 5.4L
Product Details
Location : Driver SideNotes : 1000 flow in SCFMSeries : VT SeriesColor Finish : Factory FinishQuantity Sold : Sold individuallyWarranty : Lifetime Dynomax limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

CFM Rating : 1000 CFMRecommended Use : Performance Replacement
Muffler, Factory Finish, Requires PN36444
Dynomax®
Muffler, Factory Finish, Requires PN36444
Part Number: D2217572
Guaranteed to Fit
$264.49
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Base 6 Cyl 4.0L Requires PN[36444]
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
  • 2009 Ford Mustang Shelby GT500 8 Cyl 5.4L
Product Details
Notes : 1000 flow in SCFMSeries : VT SeriesColor Finish : Factory FinishQuantity Sold : Sold individuallyWarranty : Lifetime Dynomax limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

CFM Rating : 1000 CFMRecommended Use : Performance Replacement
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F1342543
Guaranteed to Fit
$89.95
Vehicle Fitment
  • 2009 Ford Mustang GT 8 Cyl 4.6L
  • 2009 Ford Mustang Bullitt 8 Cyl 4.6L
Product Details
Notes : May Require Minor ModificationSeries : 40 Series Original SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Sound Level : AggressiveProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. WidthAttachment Style : Clamp-On or Weld-OnMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthInterchange Part Number : REPF961107
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F13942448
Guaranteed to Fit
$102.55
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L
Product Details
Series : Super 44 SeriesInlet Size : 2.25 in. Inlet SizeOutlet Size : 2.25 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Interchange Part Number : REPF961102Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F1342443
Guaranteed to Fit
$89.95
Vehicle Fitment
  • 2009 Ford Mustang Base 6 Cyl 4.0L
Product Details
Notes : May Require Minor ModificationSeries : 40 Series Original SeriesInlet Size : 2.25 in. Inlet SizeOutlet Size : 2.25 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Sound Level : AggressiveProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. WidthAttachment Style : Clamp-On or Weld-OnMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementOutlet Location : OffsetCase Shape : OvalOverall Length : 19 in. Overall LengthInterchange Part Number : REPF961106
Page 1 of 33 | Showing 1 - 15 of 488 results

Top Rated Products

Flowmaster 40 Series Original Series Muffler, Gray, May Require Minor Modification
$111.55( Review)
Bought these for my 2006 Dodge Magnum with a 5.7 HEMI. Installed these and removed thSee More
Anonymous
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Flowmaster Muffler, Black
$89.95
Q:will this sound good on a 3.4 v 6 camaro 1993 ?
Frank Haimerl h.
A:BEST ANSWERHi Frank, I'm glad to assist you. This 40 series Flowmaster muffler is with an aggressive sound. There is also a mild to moderate sound output. Click the link below to order today while on sale. But, if this is what you like. It is really up to you. Grab our lowered price with 8% off already. Happy shopping! https://www.carparts.com/muffler/flowmaster/f1342443?can=CPJE1043_CSQA_20220804 Show less
Jeonino E.
 
2 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

Muffler Replacement Cost Estimates, FAQs, and More
Muffler Replacement Cost Estimates, FAQs, and MoreThe muffler silences the engine exhaust. When the exhaust valve opens, a high-pressure gas is released, sending a strong air pressure wave through the atmosphere in the exhaust system.
Improve Your Exhaust Note With These Exhaust System Parts
Improve Your Exhaust Note With These Exhaust System PartsChoosing your header’s material is important because the header plays a big role in your vehicle’s exhaust note and the engine’s acoustics. Generally speaking, stainless steel exhaust parts create a clean and high-pitched metallic noise. One way to describe it is like how aluminum cans reverberate sound. Meanwhile, steel exhaust
Exhaust Coupling Alternatives (No Welding Needed)
Exhaust Coupling Alternatives (No Welding Needed)The engine exhaust initially contains oxides of nitrogen, hydrocarbons, and carbon monoxide. The front part of the catalytic converter nearest the manifold handles the oxides of nitrogen, but the second part is needed for hydrocarbons and carbon monoxide.
Is There a Strong Exhaust Smell Outside Your Car? Here’s Why
Is There a Strong Exhaust Smell Outside Your Car? Here’s WhyThere can be a number of reasons why there’s a strong exhaust smell coming from outside your car. Here are the most common ones. Damaged Catalytic Converter The catalytic converter has layers that convert sulfur into sulfur dioxide, which is an odorless gas. If it gets damaged, the vehicle can exude a
Why Is My Car So Loud?: 12 Causes of Loud Engine Noise
Why Is My Car So Loud?: 12 Causes of Loud Engine NoiseIf you hear a rattling noise from the catalytic converter, it could mean that it’s close to failure. The converter has a lot of small parts inside that could break off over time. When this happens, they might rattle around inside the converter while the engine is running.
Common Types of Mufflers
Common Types of MufflersAlso called the resonator chamber or simply resonator, the resonating chamber amplifies and tunes the exhaust sounds into something more attractive and pleasant to human ears. The muffler can have multiple resonators and lays them out at specific lengths. Combined with metal plates, the chambers bounce sound waves together, causing