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Thread: How loud are the FFR supplied mufflers?

  1. #1
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    How loud are the FFR supplied mufflers?

    They look (judging by weld lines) like the old 2 chamber flowmasters before they added the extra baffle (think 20 years ago). They where known for creating hellacious drone. I don’t want that. Are these things real loud once th exhaust is ran out the back? Or should i plan for something else right now?
    '33 Hot Rod
    Ordered: 3/25/17. Delivered: 5/6/17. 1st start: 8/24/18

    MK4 Roadster
    Ordered: 7/10/13. Delivered: 8/20/13. Completed: 10/26/15.
    I did everything except spray it. She ain't perfect, but she's mine.

  2. #2
    Senior Member CVOBill's Avatar
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    SVT,
    With the exhaust out the back on my car with a Coyote its not loud at all, nothing like my Cobra was with side pipes.
    CVOBill
    MK2 #???? Delivered 11/2002, Finished and Titled 6/2003 5.0, T-5, 4-Link, Sold 3/2005
    Hot Rod #304 purchased 5/28/2017 from original owner Unassembled . Titled and plated 8/24/2017 Coyote,
    TKO, 3-Link, Heat, A/C, Electric Power Steering, Convertible top
    MK4 #9524 Picked up 1/18/19 306 Blueprint, T-5, 4-Link, Gas-N Pipes, Heater

  3. #3
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    I never used the stock mufflers by FFR due to the fiberglass blowing all over the car and noise levels others had complained about. I used Magnaflow mufflers with a balance pipe and Borla resonators. My car in coupe form is still loud with droning from 1600 to 1,800 rpm. I noticed before I put the top on, the car was much quieter.

  4. #4
    Member 3dGuy's Avatar
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    Not the best video of the ffr baffled mufflers here: Link here. With side exhaust/coyote at idle in the garage it can be loud, once its out in the open its much better where you can talk at normal volume, but once you get past 2500 rpm talking becomes nearly impossible.
    My build site : www.ScootinThunder33.com

  5. #5
    Consummate Learner TxMike64's Avatar
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    Sounds perfect to me!
    -- Mike -- TxMike64 -- @TxMGarage
    Gen1.5 Hot Rod '33 #1094 (Stage 1) - 302/AOD '15 IRS - Quad Built - Build Thread

  6. #6
    Senior Member MisterAdam's Avatar
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    i had the FFR pipes for 2 summers....about 12000 miles and just replaced them with 30" Flowmasters. The FFRs were getting louder and harsher so much so that ear protection was required even for the shortest of rides. A fellow owner who operates a garage would not inspect mine last year due to being too loud. NH does not have a db limit just an "excessive sound" limit. I love the Flowmasters, no packing.....i think the FFRs still run packing. they still bark when stepped on yet at cruising the wind buffeting is louder. they cost ~$200 each and i had a local shop weld them up for $200.....almost the best $600 i have spent.
    Last edited by MisterAdam; 05-10-2018 at 10:51 AM.

  7. #7
    Director of R&D, FFR Jim Schenck's Avatar
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    The mufflers were changed a while back and the newer ones are chambered with no packing, so when comparing sounds make sure you know which ones it is you are listening too. It is fairly easy to tell as you can see the dimples where the inner plates are welded on the chambered ones where the older ones are smooth.
    Jim Schenck
    Factory Five Racing

  8. #8
    Member tcollins's Avatar
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    I never used the stock mufflers by FFR due to the fiberglass blowing all over the car and noise levels others had complained about. I used Magnaflow mufflers with QTP cutouts and custom handmade tips

    exhaust fab.JPG exhaust tip cad.jpg finished exhaust tip.jpg exhaust mounted in chassis.jpg exhaust systsem welded.jpg

  9. #9
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    Thanks everyone. Mine are not the fiberglass filled ones. Mine are chambered.
    '33 Hot Rod
    Ordered: 3/25/17. Delivered: 5/6/17. 1st start: 8/24/18

    MK4 Roadster
    Ordered: 7/10/13. Delivered: 8/20/13. Completed: 10/26/15.
    I did everything except spray it. She ain't perfect, but she's mine.

  10. #10
    Jazzman's Avatar
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    Loud! I had Flowmasters installed into mine. It is much better now. It will never sound like your DD, but then again it is not supposed to either!
    Jazzman

    MKIV #8745 "Flip Top" Roadster, Custom Tilt front, Coyote Engine, Tremec TKO600, Custom Interior. Best of Show winner, Huntington Beach Cruise In 2018.

    1967 Ford Mustang Coupe build thread updated 1/22/2021

    Roadster Frame Dolly Plan

  11. #11

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    If I purchased my kit on July 2016 would they be the old fiberglass packed ones or the new chambered ones?

  12. #12
    Consummate Learner TxMike64's Avatar
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    Quote Originally Posted by tcollins View Post
    I like the hangers - and the blue muffler bearings are a nice touch!
    -- Mike -- TxMike64 -- @TxMGarage
    Gen1.5 Hot Rod '33 #1094 (Stage 1) - 302/AOD '15 IRS - Quad Built - Build Thread

  13. #13

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    RoadRacer's Avatar
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    Quote Originally Posted by cfriedman67 View Post
    If I purchased my kit on July 2016 would they be the old fiberglass packed ones or the new chambered ones?
    FFR stated above that "It is fairly easy to tell as you can see the dimples where the inner plates are welded on the chambered ones where the older ones are smooth" - does this help?
    James

    FFR33 #997 (Gen1 chassis, Gen2 body), license plate DRIVE IT says it all! build thread
    My build: 350SBC, TKO600, hardtop, no fenders/hood, 32 grill, 3 link, sway bars, 355/30r19
    Previous cars: GTD40, Cobra, tubeframe 55 Chevy, 66 Nova, 56 F100

  14. #14

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    Yes, thanks. Must have missed it.

  15. #15
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    Flowmaster

    Quote Originally Posted by Jazzman View Post
    Loud! I had Flowmasters installed into mine. It is much better now. It will never sound like your DD, but then again it is not supposed to either!
    Do you remember the part number. I have the exhaust out the back. Thanks, Craig

  16. #16
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    I have no. 938 and I like the sound level, but it gets a little too much when you get on it.

  17. #17
    slpro1207's Avatar
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    They say that when you first drive your car the pipes sound awesome. After 500 miles they are really annoying. By the time you have 1000 miles you are shopping for something quieter.
    MK4 delivered 2/24/2017. Complete kit #9023,IRS, Power Steering, Leather, heater, 17" wheels, sway bar ft & rr, tremec 600 and Gordon Levy Racing SBF 427. First start and go kart 8/19/2017. Graduated 1/15/2018
    MK4 #9230 complete kit delivered 1/27/2018. IRS, PS, leather, Tremic 600, SBF 427. Graduation 10/15/2018
    MK3 #5253 donor bought unfinished. SBF 331, T5 Trans.

  18. #18
    Senior Member wareaglescott's Avatar
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    Quote Originally Posted by slpro1207 View Post
    They say that when you first drive your car the pipes sound awesome. After 500 miles they are really annoying. By the time you have 1000 miles you are shopping for something quieter.
    This was exactly the case for me.

    The "this is freaking bad *** I don't care how loud it is" phase wears off pretty fast and you transition into the " I am going to be deaf if I keep driving this thing" phase.
    MK4 #8900 - complete kit - Coyote, TKO600, IRS - Delivered 6/28/16 First Start 10/6/16 Go cart - 10/16/16 Build completed - 4/26/17 - 302 days to build my 302 CI Coyote Cobra - Registered and street legal 5/17/17
    Build Thread http://thefactoryfiveforum.com/showt...e-build-thread
    PHIL 4:13 INSTAGRAM - @scottsrides

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