Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale
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Brand
Flowmaster
Material
Alloy Steel
Item Weight
9.5 Pounds
Shape
Oval


Flowmaster 42543 40 Series Muffler

The 40 series muffler delivers an aggressive exterior and interior tone. Constructed of 16 gauge aluminized steel and fully MIG welded for durability.

Features:

  • Durable fully welded 16 gauge aluminized steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Good Street/Strip and Off Road application

Description

Flow master 42543 40 Series Muffler - 2. 50 Offset IN / 2. 50 Offset OUT - Aggressive Sound

Features & details

Features

  • Excellent Street/Strip and Off Road application
  • Noticeable interior resonance
  • Aggressive Sound Exterior Exhaust Tone
  • Durable fully welded 16 gauge aluminized steel
  • MIG welded for maximum durability

Product information

    Additional Information

  • ASIN: B000182DMY
  • Customer Reviews: 4.6 out of 5 stars 384Reviews
  • Best Sellers Rank:
    #170,041 in Automotive (See Top 100 in Automotive)
    #118 in Automotive Performance Exhaust Mufflers
    #3,394 in Automotive Replacement Emission & Exhaust Products
  • Date First Available: September 1, 2004
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Q: will this muffler affect anything with computers on my 2006 f150 5.4

A: It did nothing on mine. I installed Two on my charger r/t 2010. Great sound improvement!…

Jay Gagnon | 3 years ago

Q: Will this muffler make my 1992 Chevrolet Camaro 5.7L 350 sound like a real muscle car?

A: It will sound nice like a muscle car should I think you will be satisfied.

James Becton | 6 years ago

Q: i have a jeep 4.0 inline 6 dose it sound mean with not so much popping ?

A: I have a 99 f-150 4.6L
I have no popping. I also have high flow k&n filter.
I cut my stock…

Mike H. | 5 years ago

Q: Will this go good on a 1996 c1500?

A: The 42543 is a universal Muffler. 42543 is not a direct replacement. It would require a co…

Seller Holley Performance Product | 5 months ago

Customer reviews

4.6 out of 54.6 out of 5
384 global ratings

Top reviews from the United States

electronics for fun
5.0 out of 5 starsVerified Purchase
love it!
Reviewed in the United States on March 15, 2020
my old muffler was pretty restrictive and created back pressue in my exhaust system so I put this flowmaster 40 series muffler on my 03 dakota and it sounds awesome. this muffler is a little more aggressive than I thought it would be. the sound is really nice and it is a... See more
my old muffler was pretty restrictive and created back pressue in my exhaust system so I put this flowmaster 40 series muffler on my 03 dakota and it sounds awesome. this muffler is a little more aggressive than I thought it would be. the sound is really nice and it is a loud muffler. before I put my tailpipe back on there wasn''t much of a difference in sound between this muffler and an open collector. but once I got my tailpipe back on it killed all of the resonance in the cab which is good because at first the drone in the cab was distressing and it was really loud. but now the sound level is perfect and this truck has a pretty mean exhaust note. out of luck this muffler actually lines up pretty close to the stock system. the only issue was it was a few inches too short and I had to put some extra piping in there to make up the difference and don''t mind all of the foil tape, that was just to help keep it sealed until everything settled into place.
2 people found this helpful
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Andrew Lunsford
4.0 out of 5 starsVerified Purchase
Good Sounding Muffler
Reviewed in the United States on November 27, 2019
Product is as advertised, sounds a lot better than stock in my opinon. I have a 2006 F150 with the 5.4l v8 Triton and I am satisfied with the sound quality from this product. It''s worth noting the black paint is pretty bad on this. Within no time at all it had gone away and... See more
Product is as advertised, sounds a lot better than stock in my opinon. I have a 2006 F150 with the 5.4l v8 Triton and I am satisfied with the sound quality from this product. It''s worth noting the black paint is pretty bad on this. Within no time at all it had gone away and revealed the silver, metal body of the muffler. Sound is much more aggressive, but there is no drone at all which I like.
One person found this helpful
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Joe
5.0 out of 5 starsVerified Purchase
Great Sound!!!
Reviewed in the United States on February 17, 2021
I purchased two 40 Series for my 2015 F150 5.0L, installed headers and dual exhaust to the back with them. The truck sounds so good, mostly loud but quiets down to a low rumble at times. When I give it gas it really does sound loud though, no complaints here though.
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Nathan Devlin
5.0 out of 5 starsVerified Purchase
Make your chihuahua of a truck sound like doberman
Reviewed in the United States on March 6, 2018
Exact fit for my 98 Dodge Dakota and it sounds amazing. A nice low rumble that makes an otherwise modest V6 sound like a V8 at an idle. If you''ve got a truck and want it to sound a little more beastly on a budget, Flowmaster 40 series is where it''s at.
7 people found this helpful
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Jim
1.0 out of 5 starsVerified Purchase
Sounds like stock....
Reviewed in the United States on April 12, 2020
The sound was not much different from my stock muffler that I was removing - so I had to get a 10 series from another brand (cheaper). I couldn''t return this one as it had already been installed. Not good...
One person found this helpful
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ravi0524
4.0 out of 5 starsVerified Purchase
Decent upgrade
Reviewed in the United States on February 11, 2020
If you have a V8 f150 I’d probably go with something a little stronger. It wasn’t hard to install at all. But it’s a little bit quieter then I would like. But definitely a noise difference between that and a stick muffler.
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Austin Dimarco
5.0 out of 5 starsVerified Purchase
Good for the money
Reviewed in the United States on August 10, 2021
For what your paying it''s not to bad. It''s best for those who are looking for a proper muffler replacement but don''t wanna sound obnoxious. The tone of the muffler is more aggressive but no crazy loud. It''s pretty close to stock with a deeper rumble. I recommend it.
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4runner619
5.0 out of 5 starsVerified Purchase
05 4runner
Reviewed in the United States on September 11, 2019
installed on a 05 toyota 4runner V8. i cut off the old muffler and welded this on, dumping it before the axle. sounds way better and aggressive but not too loud to piss off the neighbors in the morning. would highly recommend
3 people found this helpful
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Top reviews from other countries

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Client d'Amazon
4.0 out of 5 starsVerified Purchase
Il n est pas de la meme longueur que l original
Reviewed in Canada on September 23, 2021
Il sonne tres bien , je ne suis pas decu de mon achat . Seul bémol , il n est pas la meme longeur que celui d origine. J ai du rajouter un petit bout de tuyau pour que la tailpipe arrive correctement. J ai fait l instalation du muffler sur un f150 2004
Il sonne tres bien , je ne suis pas decu de mon achat . Seul bémol , il n est pas la meme longeur que celui d origine. J ai du rajouter un petit bout de tuyau pour que la tailpipe arrive correctement. J ai fait l instalation du muffler sur un f150 2004
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Chris
5.0 out of 5 starsVerified Purchase
Gained Horse Power!
Reviewed in Canada on August 29, 2019
I currently drive a vehicle that has the Triton 5.4L V8, along with a K&N cold air intake kit. So it was time to choose a muffler to let this engine exhale. I chose the Flowmaster 40 series muffler. And boy does it sound great! I also gained horse power too! Careful on the...See more
I currently drive a vehicle that has the Triton 5.4L V8, along with a K&N cold air intake kit. So it was time to choose a muffler to let this engine exhale. I chose the Flowmaster 40 series muffler. And boy does it sound great! I also gained horse power too! Careful on the gas, as you''ll easily find out you can break the tires loose !
I currently drive a vehicle that has the Triton 5.4L V8, along with a K&N cold air intake kit. So it was time to choose a muffler to let this engine exhale. I chose the Flowmaster 40 series muffler. And boy does it sound great! I also gained horse power too! Careful on the gas, as you''ll easily find out you can break the tires loose !
Report
Christine d.
5.0 out of 5 starsVerified Purchase
Flowmaster says it all
Reviewed in Canada on February 9, 2020
What''s to say it''s a flowmaster makes everything sound better potentially will make your fuel mileage go down listening to your vehicle roar
What''s to say it''s a flowmaster makes everything sound better potentially will make your fuel mileage go down listening to your vehicle roar
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Rick
5.0 out of 5 starsVerified Purchase
I love them, neighbors not so much
Reviewed in Canada on August 16, 2020
But why worry about neighbors....
But why worry about neighbors....
One person found this helpful
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Alexander
4.0 out of 5 starsVerified Purchase
Nice little rumble, tailpipe had to get bent to fit
Reviewed in Canada on February 25, 2021
Fit nicely sounds good but had to get tailpipe specially made at a muffler shop gives a nice rumble on my 98 Dodge Dakota sport V6 magnum rear wheel drive.
Fit nicely sounds good but had to get tailpipe specially made at a muffler shop gives a nice rumble on my 98 Dodge Dakota sport V6 magnum rear wheel drive.
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Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale

Flowmaster 42543 sale 2.5In(O)/Out(O) online sale 40 Series Muffler online sale