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Go Back JeepForum.com > Reviews > Engine > Exhaust > Flowmaster Flowmaster series 40

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Flowmaster Flowmaster series 40 Reviews, Ratings, Specs & Prices
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Exhaust Next Product

Flowmaster Flowmaster series 40

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Rating:

Product Information

MSRP: $500.00
Average Price: $126.58
Manufacturer: Flowmaster
Recommended?
Yes: 106 / No: 2

Flowmaster series 40 muffler, This is the most “aggressive” sounding street/strip muffler that Flowmaster offers. If you're looking for attention, this one will get you noticed. The standard 40 series has an “aggressive rumble" and will generally resonate inside the vehicle around 1800-2000 rpm’s, and again at 2400-2600 rpm’s. Constructed of 16 gauge aluminized steel and fully mig-welded for maximum durability

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Libtekguy

Registered User
Libtekguy's Reviews

03-21-2009, 05:47 PM
Flowmaster Flowmaster series 40
Price: $120.00
Recommended? Yes

Comments: Had a shop put it in. Didn't come out as deep as I hoped, but it does have a throatier tone to it. When I do my long arm install this summer, I'm going to put a turn down after the muffler which should make it sound a little better


Natehal89

Registered User
Natehal89's Reviews

03-11-2009, 01:02 AM
Flowmaster Flowmaster series 40
Price: $140.00
Recommended? Yes

Comments: Great Sound and added hp. I think anyone would enjoy this product. I plam on removing cat.






MudNBeer
Registered User
MudNBeer's Reviews

03-05-2009, 11:36 AM
Flowmaster Flowmaster series 40
Price: $75.00
Recommended? Yes

Comments: Installed Flowmaster muffler in place of stock muffler. Mild tone. Has some resonance at highway speeds. May would try a stainless muffler next time due to rust.


KevinM90
Registered User
KevinM90's Reviews

02-26-2009, 09:48 PM
Flowmaster Flowmaster series 40
Price: $100.00
Recommended? Yes

Comments: Nice deep rumble. Sounds amazing. I love this setup.


wojo4780
Registered User
wojo4780's Reviews

02-23-2009, 01:03 PM
Flowmaster Flowmaster series 40
Price: $80.00
Recommended? Yes

Comments: sounds great best I heard on a Jeep wish it was louder but won't get much out of a v-6


shaggyjim

Registered User
shaggyjim's Reviews

02-14-2009, 07:09 PM
Flowmaster Flowmaster series 40
Price: $80.00
Recommended? Yes

Comments: I love mine and I have had it for like eleven years now and have had no problems even after beating it on the rocks.


bill38jeep
Registered User
bill38jeep's Reviews

02-09-2009, 10:23 PM
Flowmaster Flowmaster series 40
Price: $100.00
Recommended? Yes

Comments:


Jsplurge
Registered User
Jsplurge's Reviews

02-03-2009, 09:37 PM
Flowmaster Flowmaster series 40
Price: $90.00
Recommended? Yes

Comments: I like the tone, not too throaty or high pitched, it's just melloe enough to let people know you're coming.


blacXJeep

Registered User
blacXJeep's Reviews

02-02-2009, 08:07 PM
Flowmaster Flowmaster series 40
Price: $175.00
Recommended? Yes

Comments: not too loud, but has a good low tone. Built like a fricken skid plate, great for offroading in my opinion


dummerdrummer
Registered User
dummerdrummer's Reviews

01-23-2009, 01:32 AM
Flowmaster Flowmaster series 40
Price: $80.00
Recommended? Yes

Comments: Sounds good only in low RPMs, but I wish I would have gotten 50 Series instead for a deeper tone.


Determined2Rise
Registered User
Determined2Rise's Reviews

01-21-2009, 04:16 PM
Flowmaster Flowmaster series 40
Recommended? Yes

Comments: This was installed originally on the Jeep Cherokee when I bought it. Great sound. Not overly loud perfect amount of growl. Increased horsepower a little


Steve2237
Registered User
Steve2237's Reviews

01-14-2009, 02:25 PM
Flowmaster Flowmaster series 40
Price: $60.00
Recommended? Yes

Comments: Great sound, durable design............................................ .................................................. .................................................. ................................


98_tjj
Registered User
98_tjj's Reviews

01-07-2009, 08:24 PM
Flowmaster Flowmaster series 40
Price: $120.00
Recommended? Yes

Comments: flowmaster 40 is pretty nice. sounds realy good if yyou get single in dual out and only keep about 6inches of pipe out the back.


92fiddler
Registered User
92fiddler's Reviews

01-04-2009, 11:18 PM
Flowmaster Flowmaster series 40
Price: $240.00
Recommended? Yes

Comments: after a couple years muffler is leaking around welds, all other parts of cat back solid


southernss

Registered User
southernss's Reviews

12-31-2008, 01:49 PM
Flowmaster Flowmaster series 40
Price: $100.00
Recommended? Yes

Comments: gives the jeep a real nice sound to instead of driving around a sewing machine.


TFDEngine58
Registered User
TFDEngine58's Reviews

12-30-2008, 04:02 AM
Flowmaster Flowmaster series 40
Price: $90.00
Recommended? Yes

Comments: no cat, loud as hell. 3" diameter 24 inch long tip coming right off muffler, dumping right around rear axle. quite loud, and sounds pretty sweet


Doitsouthstyle
Registered User
Doitsouthstyle's Reviews

12-11-2008, 08:40 PM
Flowmaster Flowmaster series 40
Price: $50.00
Recommended? Yes

Comments: Sound great and add a little extra pep to its step. Came with the Rustys Offroad package.


jsedley
Registered User
jsedley's Reviews

11-16-2008, 05:33 PM
Flowmaster Flowmaster series 40
Price: $375.00
Recommended? Yes

Comments: this is the first 6 cyl i ever owned sounds good almost like a small block


TJRubicon06

Registered User
TJRubicon06's Reviews

10-27-2008, 04:06 PM
Flowmaster Flowmaster series 40
Price: $129.00
Recommended? Yes

Comments: Sounds good, not too loud but its still breaking in so time will tell. Had a local shop weld it up in place of the stock muffler.


sevierville01
Registered User
sevierville01's Reviews

10-16-2008, 10:15 PM
Flowmaster Flowmaster series 40
Price: $45.00
Recommended? Yes

Comments: i wanted something better then stock that would give that v8 sound the flowmaster was the answer, it gave it a mellow but strong sound.


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