YearMakeModelTrimEngine

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Stock photo

Flowmaster Original 40 Series Muffler 2.25" O/O 42443 - Picture 1 of 4

Flowmaster Original 40 Series Muffler 2.25" O/O 42443 - Picture 2 of 4

Flowmaster Original 40 Series Muffler 2.25" O/O 42443 - Picture 3 of 4

Flowmaster Original 40 Series Muffler 2.25" O/O 42443 - Picture 4 of 4

Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

4.449 product ratings

Performance-Curve (147096)

99.6% positive feedback

Price:

$99.95

Free shipping

Estimated delivery Wed, Oct 29 - Sat, Nov 1

Returns:

30 days returns. Seller pays for return shipping.

Condition:

New

If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Manufacturer: Flowmaster. Muffler Type: Two Chamber.

About this product

Product Identifiers

BrandFlowmaster

Manufacturer Part Number42443

eBay Product ID (ePID)140256323

Additional Product Features

NotesDescription--40 Series(TM) Muffler

Sub TypeExhaust Muffler

Part TypeMufflers

All listings for this product

For Chevy Camaro 67-13 Exhaust Muffler 40 Series Delta Force Aluminized Steel

item 1 For Chevy Camaro 67-13 Exhaust Muffler 40 Series Delta Force Aluminized Steel

[SALE] Flowmaster 40 Series Universal 2.25" Muffler Offset Inlet & Offset Outlet

item 2 [SALE] Flowmaster 40 Series Universal 2.25" Muffler Offset Inlet & Offset Outlet

Flowmaster Original 40 Series Muffler 2.25" O/O 42443

item 3 Flowmaster Original 40 Series Muffler 2.25" O/O 42443

Flowmaster 42443 40 Series Muffler - 2.25 Offset IN / 2.25 Offset OUT - Aggressi

item 4 Flowmaster 42443 40 Series Muffler - 2.25 Offset IN / 2.25 Offset OUT - Aggressi

Flowmaster 42443 40 Series Muffler

item 5 Flowmaster 42443 40 Series Muffler

Flowmaster 42443 40 Series Chambered Muffler - 2.25 Offset In / 2.25 Offset Out

item 6 Flowmaster 42443 40 Series Chambered Muffler - 2.25 Offset In / 2.25 Offset Out

Flowmaster 42443 - 40 Series 2-1/4" Muffler O/S In & O/S Out - Black Alum Steel

item 7 Flowmaster 42443 - 40 Series 2-1/4" Muffler O/S In & O/S Out - Black Alum Steel

Flowmaster 42443 Universal 40 Series Muffler 2.25" Offset IN / OUT

item 8 Flowmaster 42443 Universal 40 Series Muffler 2.25" Offset IN / OUT

Flowmaster 40 Series Universal 2.25" Muffler Offset Inlet & Offset Outlet 42443

item 9 Flowmaster 40 Series Universal 2.25" Muffler Offset Inlet & Offset Outlet 42443

Flowmaster 40 Series Universal 2.25" Muffler Offset In & Offset Out Black 42443

item 10 Flowmaster 40 Series Universal 2.25" Muffler Offset In & Offset Out Black 42443

Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

item 11 Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

Flowmaster 42443 Aluminized Steel Single Wall Oval Exhaust Muffler

item 12 Flowmaster 42443 Aluminized Steel Single Wall Oval Exhaust Muffler

Flowmaster 42443 40 Series Muffler 2.25 Offset In / 2.25 Offset Out Aggressive

item 13 Flowmaster 42443 40 Series Muffler 2.25 Offset In / 2.25 Offset Out Aggressive

Flowmaster 42443 Original 40 Series Muffler 2.25" Offset Inlet/Offset Outlet

item 14 Flowmaster 42443 Original 40 Series Muffler 2.25" Offset Inlet/Offset Outlet

Flowmaster 42443 40 Series Muffler 2.25 Offset In / 2.25 Offset Out Aggressive

item 15 Flowmaster 42443 40 Series Muffler 2.25 Offset In / 2.25 Offset Out Aggressive

Flowmaster 42443 40 Series Muffler 2.25 Offset In/2.25 Offset Out

item 16 Flowmaster 42443 40 Series Muffler 2.25 Offset In/2.25 Offset Out

Flowmaster 40 Series Muffler 2.25 Offset"/2.25 Offset Out 42443

item 17 Flowmaster 40 Series Muffler 2.25 Offset"/2.25 Offset Out 42443

+$1.79 shipping

Flowmaster Exhaust Muffler - Universal Muffler - Not a direct fit. Some adaptati

item 18 Flowmaster Exhaust Muffler - Universal Muffler - Not a direct fit. Some adaptati

Flowmaster 42443 2.25 In/Out 40 Series Aggressive Sound Chambered Muffler

item 19 Flowmaster 42443 2.25 In/Out 40 Series Aggressive Sound Chambered Muffler

Flowmaster 42443 2.25" Offset In/Out 40 Series Chambered Muffler

item 20 Flowmaster 42443 2.25" Offset In/Out 40 Series Chambered Muffler

Flowmaster Muffler 42443; 40 Series 2-Chamber 2.25 Offset In, 2.25 Offset Out

item 21 Flowmaster Muffler 42443; 40 Series 2-Chamber 2.25 Offset In, 2.25 Offset Out

Hi-Perf Muffler Flowmaster 42443

item 22 Hi-Perf Muffler Flowmaster 42443

Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out # 42443

item 23 Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out # 42443

Flowmaster 42443

item 24 Flowmaster 42443

Flowmaster 40 Series Muffler 2.25 Offset In / 2.25 Offset Out Aggressive 42443

item 25 Flowmaster 40 Series Muffler 2.25 Offset In / 2.25 Offset Out Aggressive 42443

40 Series Delta Force Aluminized Steel Oval Black Exhaust Muffler

item 26 40 Series Delta Force Aluminized Steel Oval Black Exhaust Muffler

item 27 Flowmaster 42443 40 Series Muffler

Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out 42443

item 28 Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out 42443

Flowmaster 42443 40 Series Muffler 2.25" Offset Inlet 2.25" Offset Outlet

item 29 Flowmaster 42443 40 Series Muffler 2.25" Offset Inlet 2.25" Offset Outlet

Flowmaster 42443 40 Series Chambered Rumble Muffler Offset 2.25" Inlet/Outlet

item 30 Flowmaster 42443 40 Series Chambered Rumble Muffler Offset 2.25" Inlet/Outlet

Flowmaster 42443 40 Series Chambered Muffler 2.25 Offset In / 2.25 Offset Out

item 31 Flowmaster 42443 40 Series Chambered Muffler 2.25 Offset In / 2.25 Offset Out

+$9.80 shipping

FLOWMASTER 40 SERIES CHAMBERED MUFFLER,BLACK,2.25" OFFSET IN,2.25" OFFSET OUT

item 32 FLOWMASTER 40 SERIES CHAMBERED MUFFLER,BLACK,2.25" OFFSET IN,2.25" OFFSET OUT

+$9.99 shipping

Flowmaster 40 Series 2.25" In/Out Offset Aggressive Chambered Universal Muffler

item 33 Flowmaster 40 Series 2.25" In/Out Offset Aggressive Chambered Universal Muffler

Flowmaster Original 40 Series Muffler 2.25" O/O 42443

item 34 Flowmaster Original 40 Series Muffler 2.25" O/O 42443

Flowmaster 42443 40 Series Muffler 2.25 Offset In/2.25 Offset Out

item 35 Flowmaster 42443 40 Series Muffler 2.25 Offset In/2.25 Offset Out

Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out - Aggressive Sou

item 36 Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out - Aggressive Sou

Flowmaster 42443 40 Series Muffler

item 37 Flowmaster 42443 40 Series Muffler

Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

item 38 Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

Flowmaster 40 Series Performance Muffler 42443

item 39 Flowmaster 40 Series Performance Muffler 42443

Flowmaster 42443 40 Series Chambered Muffler

item 40 Flowmaster 42443 40 Series Chambered Muffler

+$11.95 shipping

Flowmaster 42443 40 Series Chambered Muffler

item 41 Flowmaster 42443 40 Series Chambered Muffler

+$11.95 shipping

42443 Flowmaster 40 Series Chambered Muffler

item 42 42443 Flowmaster 40 Series Chambered Muffler

+$11.95 shipping

42443 Flowmaster 40 Series Chambered Muffler

item 43 42443 Flowmaster 40 Series Chambered Muffler

+$11.95 shipping

Flowmaster Muffler American Thunder 40 2 1/4 Inlet/2 1/4 Outlet Steel 42443

item 44 Flowmaster Muffler American Thunder 40 2 1/4 Inlet/2 1/4 Outlet Steel 42443

Flowmaster 42443 Muffler, Original 40, 2.25 in Offset In, 2.25 in Offset Out

item 45 Flowmaster 42443 Muffler, Original 40, 2.25 in Offset In, 2.25 in Offset Out

+$11.99 shipping

Flowmaster 40 Series Performance Muffler 2.25in Offset In/Out Steel 42443

item 46 Flowmaster 40 Series Performance Muffler 2.25in Offset In/Out Steel 42443

Flowmaster 42443 40 Series Chambered Muffler

item 47 Flowmaster 42443 40 Series Chambered Muffler

+$12.95 shipping

Flowmaster 42443

item 48 Flowmaster 42443

Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

item 49 Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

Flowmaster 42443 40 Series Muffler

item 50 Flowmaster 42443 40 Series Muffler

+$14.49 shipping

Flowmaster 40 Series Performance Muffler 42443

item 51 Flowmaster 40 Series Performance Muffler 42443

Flowmaster 42443

item 52 Flowmaster 42443

Flowmaster 42443 40 Series Original Muffler

item 53 Flowmaster 42443 40 Series Original Muffler

+$15.99 shipping

Flowmaster 42443 Original 40 Series Two Chamber Muffler Offset 2-1/4" I.D.

item 54 Flowmaster 42443 Original 40 Series Two Chamber Muffler Offset 2-1/4" I.D.

+$15.99 shipping

Fits: 1966-1996 Chevrolet Caprice; 1967-2002 Pontiac Firebird; 1967-2013 Chevrol

item 55 Fits: 1966-1996 Chevrolet Caprice; 1967-2002 Pontiac Firebird; 1967-2013 Chevrol

FLOWMASTER 42443 2 CHMBR MSTNG 5.0 MUFFLR

item 56 FLOWMASTER 42443 2 CHMBR MSTNG 5.0 MUFFLR

Hi-Perf Muffler Flowmaster 42443

item 57 Hi-Perf Muffler Flowmaster 42443

Flowmaster 42443 - 40 Series Chambered Muffler - 2.25 Offset In / 2.25 Offset Ou

item 58 Flowmaster 42443 - 40 Series Chambered Muffler - 2.25 Offset In / 2.25 Offset Ou

+$18.99 shipping

Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

item 59 Exhaust Muffler-40 Series(TM) Muffler Flowmaster 42443

listings for this product

Ratings and Reviews

4.4

9 product ratings

7 users rated this 5 out of 5 stars
1 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
0 users rated this 2 out of 5 stars
1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

by swifttr-79
Jun 07, 2021
Sounds hood
This muffler sounds so good on my 2012 Ford F-150
Verified purchase: YesCondition: Pre-owned
by mike081572
Mar 15, 2017
T
Haven't installed yet but they are exactly as advertised.
Verified purchase: YesCondition: Pre-owned
by jerwal8865
Oct 18, 2023
needs reducers to fit oem
Supper nice with mild rumble. Not exact fit though. Needed reducers to fit oem exhaust
Verified purchase: YesCondition: New
by slopecar2
Dec 25, 2024
Good quality stuff...
Good quality stuff
Verified purchase: YesCondition: New
by erkl-4557
Dec 22, 2020
Thank you
Best muffler ever hard to find but def. Sounds the best.
Verified purchase: YesCondition: New
by j71hoo_77
Dec 15, 2020
Not loud
They r quite no rumble r roar
Verified purchase: YesCondition: New
by jimmywa51
Nov 29, 2016
great buy
mufflers look great,sound great/ shipped to me amazingly fast
Verified purchase: YesCondition: Pre-owned
by 6jeremym
Oct 18, 2025
Quality product-thank you
Quality product-thank you
Verified purchase: YesCondition: New

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