Flowmaster 430402 40 Series Chambered Muffler

Sounds sounds awesome. I Would recommend buying or I would buy it if I needed it

I already had a flow master on my truck and it was quite. This one has a good rumble to it. I would definitely buyit again

Installed this on my 2015 Hemi Dodge Ram. Sounds fantastic. Throaty and aggressive but not overwhelmingly loud. I wanted something that just let me hear that Hemi without pissing off the neighbors. With this muffler you need a single 3” pipe (I think it was 16 or 18” long, bought from pep boys for $16) and two 2.5” couplers that step down to 2.25” (2.25 is a the stock exhaust pipe size after the muffler.) I’m a very amateur welder, with an amazon special $100 mug welder, but I welded them on after mocking it up and tac welding them in place, then you can fully weld off-vehicle. Then all I had to do was use one 3” band clamp and two 2.25” band clamps to put it on. Whole process took about 3-4 hours because I’m slow. Would buy again.

Love it great sound just what I wanted

Sounds like the way I like it

Welded it up to my 2014 dodge ram sounds great less then an hour install very happy great buy being an open box item no complaints

This is a classic and iconic go-to muffler for all truck owners looking to convert to dual tailpipes and get that sweet, deep rumble. I put this on my father’s 2004 Silverado 5.3L after I removed the catalytic converters and it really roars like an old school truck. Sounds great at start-up, idle, and cruising. Wide open throttle isn’t as loud as other truck brands but I believe is specific to the Chevy LS engines. All in all, this is a great muffler and was a good purchase. I would recommend finding the stainless steel version to prolong the life of the muffler.

I had this flowmaster 40 series installed on my 2003 4.3L V6 silverado didn't think it would sound as great as it did. Once I heard come out of the muffler shop it blew me away sounded awesome. Beat my expectations. Idle sounds great and when I hit the gas sound mean as hell. Definitely would recommend and would definitely but again. Negatives have to be the cab noise I have single cab and the muffler noise is a bit irritating but nothing a little sound system can't take away otherwise a great buy.

I have a 2017 Ram 1500 with 5.7 Hemi with factory dual exhaust. I ordered this muffler on a Monday, was expected to be a week before delivered. I was stoked to see it was delivered by Friday afternoon before I got home the same week. I did leave the resonators on so all I did was had muffler swapped. Only thing you can hear a little now and then is when it kicks MDS in. It's a small trade off for that nice growl and rumble out the back.Had it installed this past Friday at a local shop where they had to make a couple custom pipes so it would fit properly because the factory muffler is 2x the length.This muffler makes that Hemi sing 😍 a good tone at idle and start up and let's me know it's there when I'm getting up to highway speeds.Overall very impressed with delivery of this item from the seller and the performance and sound my truck puts out with this muffler.I will definitely buy again in future if needed.

Easy install on a 19 ram hemi and sounds incredible.

Like always, Flowmaster makes a great product. Very happy with the sound and lil extra ooompf from their exhaust systems.

Sounds awesome with great workmanship

Good product and very accurate discrimination A+++