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Exhaust Muffler Flowmaster 42542

5.07 product ratings

OurDealsRock (25295)

98.7% positive feedback

Price:

$99.95

Free 2-4 day delivery

Get it between Sat, Aug 23 and Tue, Aug 26

Returns:

30 days returns. Seller pays for return shipping.

Condition:

New

409S Stainless Steel. 3 Year Limited Warranty. Aggressive And Powerful Exterior Exhaust Tone. Notable Interior Resonance. Excellent Street/Strip And Off Road Application. No Internal Packing To Blowout. The Original Two Chamber Design. Premium Flowmaster Quality.

About this product

Product Identifiers

BrandFlowmaster

Manufacturer Part Number42542

eBay Product ID (ePID)235537931

Additional Product Features

NotesDescription--Exhaust Muffler

Sub TypeExhaust Muffler

Part TypeMufflers

All listings for this product

Flowmaster Universal Muffler 2.5" Center Inlet / 2.5" Offset Outlet- 42542 NEW

item 1 Flowmaster Universal Muffler 2.5" Center Inlet / 2.5" Offset Outlet- 42542 NEW

Flowmaster 42542 Universal 40 Series 2.5" In & Offset Out Chambered Muffler NEW

item 2 Flowmaster 42542 Universal 40 Series 2.5" In & Offset Out Chambered Muffler NEW

Flowmaster 42542 Original 40 Series Muffler 2.5" Center Inlet/Offset Outlet

item 3 Flowmaster 42542 Original 40 Series Muffler 2.5" Center Inlet/Offset Outlet

Flowmaster 42542 Exhaust Muffler

item 4 Flowmaster 42542 Exhaust Muffler

Flowmaster 42542 Universal 40 Series Mufflers 2.5" Center In / Offset Out

item 5 Flowmaster 42542 Universal 40 Series Mufflers 2.5" Center In / Offset Out

Exhaust Muffler Flowmaster 42542

item 6 Exhaust Muffler Flowmaster 42542

Flowmaster Original 40 Series Muffler 2.5" Center / Offset - 42542

item 7 Flowmaster Original 40 Series Muffler 2.5" Center / Offset - 42542

Flowmaster 42542 40 Series Muffler 2.50" IN(C)/OUT(O) Aggressive Sound

item 8 Flowmaster 42542 40 Series Muffler 2.50" IN(C)/OUT(O) Aggressive Sound

Flowmaster 42542 40 Series Muffler

item 9 Flowmaster 42542 40 Series Muffler

Flowmaster 42542 Universal Steel Aggressive Sound 40 Series Chambered Muffler

item 10 Flowmaster 42542 Universal Steel Aggressive Sound 40 Series Chambered Muffler

Flowmaster 42542 40 Series Muffler 2.50in. In/Out

item 11 Flowmaster 42542 40 Series Muffler 2.50in. In/Out

Flowmaster 42542 2.5" Center In/Offset Out 40 Series Chambered Muffler

item 12 Flowmaster 42542 2.5" Center In/Offset Out 40 Series Chambered Muffler

Exhaust Muffler Flowmaster 42542

item 13 Exhaust Muffler Flowmaster 42542

FLOWMASTER 40 Series Muffler 2.50in Center In 2.5 Offset Out 42542

item 14 FLOWMASTER 40 Series Muffler 2.50in Center In 2.5 Offset Out 42542

Flowmaster 40 Series 2.5" Center/Offset Muffler Aluminized 42542

item 15 Flowmaster 40 Series 2.5" Center/Offset Muffler Aluminized 42542

+$4.84 shipping

Flowmaster 42542 40 Series Muffler

item 16 Flowmaster 42542 40 Series Muffler

Flowmaster 42542

item 17 Flowmaster 42542

Flowmaster 42542 40 Series Muffler

item 18 Flowmaster 42542 40 Series Muffler

Exhaust Part Flowmaster 42542

item 19 Exhaust Part Flowmaster 42542

Flowmaster 40 Series Chambered 2.5” Muffler C/O 9.5” Body 4” x 13” Unv. Exhaust

item 20 Flowmaster 40 Series Chambered 2.5” Muffler C/O 9.5” Body 4” x 13” Unv. Exhaust

Flowmaster 40 Series Chambered Muffler Oval 2.5" Center In / Offset Out 42542

item 21 Flowmaster 40 Series Chambered Muffler Oval 2.5" Center In / Offset Out 42542

Flowmaster 40 Series Chambered Muffler Oval 2.5" Center In / Offset Out 42542

item 22 Flowmaster 40 Series Chambered Muffler Oval 2.5" Center In / Offset Out 42542

42542 Flowmaster Muffler Oval

item 23 42542 Flowmaster Muffler Oval

NEW FLOWMASTER 40 SERIES CHAMBERED MUFFLER,BLACK,2.5" CENTER IN,2.5" OFFSET OUT

item 24 NEW FLOWMASTER 40 SERIES CHAMBERED MUFFLER,BLACK,2.5" CENTER IN,2.5" OFFSET OUT

+$9.99 shipping

Flowmaster 42542 40 seroes Chambered Muffler 2.50 Center In / 2.50 Offset Out

item 25 Flowmaster 42542 40 seroes Chambered Muffler 2.50 Center In / 2.50 Offset Out

+$10.09 shipping

Flowmaster 42542 40 Series Muffler 2.50in. In/Out

item 26 Flowmaster 42542 40 Series Muffler 2.50in. In/Out

Flowmaster 42542 Original 40 Series Muffler 2.5" Center Inlet/Offset Outlet

item 27 Flowmaster 42542 Original 40 Series Muffler 2.5" Center Inlet/Offset Outlet

Flowmaster 42542 - 40 Series Aluminized Steel Oval Black Exhaust Muffler (2.5"

item 28 Flowmaster 42542 - 40 Series Aluminized Steel Oval Black Exhaust Muffler (2.5"

Flowmaster Flowmaster 40 Series Chambered Muffler 42542

item 29 Flowmaster Flowmaster 40 Series Chambered Muffler 42542

Flowmaster 42542 40 Series Chambered Muffler

item 30 Flowmaster 42542 40 Series Chambered Muffler

+$11.95 shipping

42542 Flowmaster 40 Series Chambered Muffler

item 31 42542 Flowmaster 40 Series Chambered Muffler

+$11.95 shipping

Flowmaster 42542 40 Series Chambered Muffler

item 32 Flowmaster 42542 40 Series Chambered Muffler

+$11.95 shipping

42542 Flowmaster 40 Series Chambered Muffler

item 33 42542 Flowmaster 40 Series Chambered Muffler

+$11.95 shipping

Flowmaster 42542 40 SERIES PERFORMANCE

item 34 Flowmaster 42542 40 SERIES PERFORMANCE

Flowmaster 40 Series Muffler 2.50In Center In 2.5 Offset Out 42542

item 35 Flowmaster 40 Series Muffler 2.50In Center In 2.5 Offset Out 42542

Flowmaster 42542

item 36 Flowmaster 42542

Flowmaster 42542 40 Series Muffler

item 37 Flowmaster 42542 40 Series Muffler

+$14.49 shipping

Flowmaster 42542

item 38 Flowmaster 42542

Flowmaster FLO42542 40 SERIES MUFFLER 2.50IN IN(C)/OUT(O) AGRESSIVE SOUND

item 39 Flowmaster FLO42542 40 SERIES MUFFLER 2.50IN IN(C)/OUT(O) AGRESSIVE SOUND

Flowmaster 42542 40 Series Muffler, 2.50 In/Out

item 40 Flowmaster 42542 40 Series Muffler, 2.50 In/Out

+$15.99 shipping

Flowmaster 42542 40 Series Original Muffler Center In/Offset Out: 2.5 Aluminized

item 41 Flowmaster 42542 40 Series Original Muffler Center In/Offset Out: 2.5 Aluminized

+$15.99 shipping

Exhaust Part Flowmaster 42542

item 42 Exhaust Part Flowmaster 42542

Exhaust Part Flowmaster 42542

item 43 Exhaust Part Flowmaster 42542

Flowmaster 40 Series 2.5" Center In 2.5" Offset Out Chambered Universal Muffler

item 44 Flowmaster 40 Series 2.5" Center In 2.5" Offset Out Chambered Universal Muffler

Flowmaster 40 Series Chambered Muffler Universal Muffler-Not a direct fit. Some

item 45 Flowmaster 40 Series Chambered Muffler Universal Muffler-Not a direct fit. Some

Exhaust Muffler Flowmaster 42542

item 46 Exhaust Muffler Flowmaster 42542

Flowmaster 42542 40 Series Muffler

item 47 Flowmaster 42542 40 Series Muffler

Flowmaster 42542 40 Series™ fler for MUF

item 48 Flowmaster 42542 40 Series™ fler for MUF

FLOWMASTER 42542 2 Chambr Strt Strip Muffl

item 49 FLOWMASTER 42542 2 Chambr Strt Strip Muffl

+$13.98 shipping

Flowmaster 40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive Sound

item 50 Flowmaster 40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive Sound

Flowmaster 42542 40 Series Muffler

item 51 Flowmaster 42542 40 Series Muffler

+$9.95 shipping

Flowmaster 42542 40 Series Muffler | High-Quality Auto Part, Universal Fit for M

item 52 Flowmaster 42542 40 Series Muffler | High-Quality Auto Part, Universal Fit for M

Flowmaster 42542 40 Series Muffler | High-Quality Auto Part, Universal Fit for M

item 53 Flowmaster 42542 40 Series Muffler | High-Quality Auto Part, Universal Fit for M

Exhaust Muffler Flowmaster 42542

item 54 Exhaust Muffler Flowmaster 42542

Flowmaster 42542 40 Series Muffler

item 55 Flowmaster 42542 40 Series Muffler

Exhaust Muffler Flowmaster 42542

item 56 Exhaust Muffler Flowmaster 42542

Flowmaster 42542 40 Series Muffler

item 57 Flowmaster 42542 40 Series Muffler

Flowmaster 42542 Flowmaster 40 Series Chambered Muffler

item 58 Flowmaster 42542 Flowmaster 40 Series Chambered Muffler

Flowmaster Universal 40 Series 2.5" In & Offset Out Mufflers 42542 - Pair

item 59 Flowmaster Universal 40 Series 2.5" In & Offset Out Mufflers 42542 - Pair

listings for this product

Ratings and Reviews

5.0

7 product ratings

7 users rated this 5 out of 5 stars
0 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
0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

by jcur1574
Aug 13, 2018
Great product
Great sound this is my third truck putting this exact muffler on only complaint is the paint comes off after about a week because of the heat but that's to be expected other than that great product.
Verified purchase: YesCondition: New
by jayrockauto
Feb 04, 2022
Good
Sounds great got to love that flowmaster 40 series sound
Verified purchase: YesCondition: New
by btldtf211
Aug 10, 2021
Great Muffler
The price is great and the muffler sounds awesome. I put it in a V6 4RUNNER and it sounds really nice.
Verified purchase: YesCondition: New
by repair56
Oct 22, 2023
Flow master 40 series mufflers
I installed the mufflers on my 55 and they sound great
Verified purchase: YesCondition: New
by jeffm6329
Aug 14, 2025
Good fit
Good fit
Verified purchase: YesCondition: New

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