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    1. #1
      Join Date
      Apr 2012
      Posts
      4
      Country Flag: United States

      magnaflows or flowmasters?

      Just bought a completely stock, 350, 67 Camaro. First thing I'm looking to upgrade is exhaust. What should I go with?



    2. #2
      Join Date
      Aug 2011
      Location
      Mississippi Gulf Coast
      Posts
      35
      Country Flag: United States
      Magnaflow on my 350 SBC, sounds great, no radio needed.
      1970 Buick GS 455
      1977 Chevy Monza Sport 2+2

    3. #3
      Join Date
      Sep 2006
      Location
      Austin, TX
      Posts
      164
      Country Flag: United States
      I used to be a flowmaster guy but just switched to the magna flows on my car. It's much better. Good tone but not obnoxious and the drone is gone. When I'm at the track it really opens up and screams.

    4. #4
      Join Date
      May 2011
      Location
      Savannah GA
      Posts
      56
      Country Flag: Mexico
      Please don't forget to consider Tanabe, Apexi, or Greddy. All three brands offer excellent products and support, give Yushin a call at Tanabe and he'll hook you up, personally the Greddy 4 inch exhaust kit I installed on a friends stock engine 70 442 sounds amazing it's literally a breath of fresh air after dealing with all the over analyzed usdm brands

    5. #5
      Join Date
      Oct 2007
      Location
      Atlanta
      Posts
      430
      Country Flag: United States
      I switched from Flowmaster to Magnaflow and am very happy.

    6. #6
      Join Date
      Apr 2005
      Location
      Cookeville, TN
      Posts
      159
      Country Flag: United States
      I had Flowmasters for 12 years and the drone was tiring, especially on longer trips. I swapped to Magnaflows last week. I love them! I plan to get a decent stereo now.
      '69 Camaro - 427 SBC 526hp, 593 ft-lbs, Tremec TKO, Ridetech Coilover Suspension w/TruTurn, Billet-Specialties Draft 18x9, 18x12, BFG KDW 275/335

    7. #7
      Join Date
      Feb 2008
      Location
      Snohomish, WA
      Posts
      185
      Country Flag: United States
      Bought a flowmaster on the advice of a friend and was never happy with the sound, too loud and raspy, and not at all happy with drone, especially in the 2500-3500 rpm range. Luckily it only lasted about 3 years before it bulged out and I had a good excuse to replace it, with a Magnaflow on the advice of the muffler shop guy. So much happier, gave me the exact deep sound I wanted and no drone. Magnaflow muffler was still going strong 10 years later when I sold the truck. Will definitely consider putting them on the Camaro, or maybe even Dr. Gas. I definitely think there are other mufflers out there that are worth checking out depending on the sound you want.
      Robert F.

    8. #8
      Join Date
      Sep 2009
      Location
      Charleston, SC
      Posts
      140
      I had flowmaster 2 chambers on a fox mustang with a 500 hp EFI 347 daily driver. after several years had to replace because I was loosing my hearing. lol switched to magnaflows and overall was reasonably happy. I was however suprised that I saw no repeatable difference in rwhp on the dyno after the switch as I expected or hoped. I sold the car a year ago but if I had kept it was considering moving on to something else like borla pro XS.
      89 Supercharged Saleen 352 rwhp, 93 Mustang LX 347 stroker 420 rwhp daily driver, 78 Firebird, 69 Opel Kadett Rallye ex-SCCA track car..."everyone needs to own a 4-bbl 4 cylinder once"

    9. #9
      Join Date
      Apr 2012
      Posts
      4
      Country Flag: United States

      magnaflows or flowmasters?

      I really appreciate the opinions everybody. So compared to the flowmasters, are the magnaflows really that much quieter? I'm looking for a deep, throaty sound that's still somewhat loud at idle or when I'm cruising around town. I would rather be on the louder side rather than the quieter side.

    10. #10
      Join Date
      Feb 2012
      Posts
      26
      Country Flag: United States

      magnaflows or flowmasters?

      I went straight headers, never a dull moment when driving now

    11. #11
      Join Date
      Dec 2006
      Location
      Barrie, Ontario, Canada
      Posts
      108
      Country Flag: Canada
      Quote Originally Posted by Brandonrescue View Post
      I went straight headers, never a dull moment when driving now
      I almost spit my coffee all over the key board!Too funny! LOL
      I went with magnaflow stainless system and am very happy with the system. Nice and quiet when you want, and loud when you get on it! Just what I wanted!
      Used to be known as 455regal

    12. #12
      Join Date
      Nov 2009
      Location
      Elburn, IL.
      Posts
      220
      Have a Magnaflow header back system on our 66 Chevelle convertible, 3"system behind a 496. Sounds WAY better than the Flowmasters that were on it before. Will be doing a Magnaflow system on our 68 Camaro too.
      Chris Jacobs

    13. #13
      Join Date
      Mar 2008
      Location
      Nashville, TN
      Posts
      142
      Country Flag: United States
      I have Flowmasters right now and also am interested in the Magnaflows (seems like everyone likes those that switch) but I am in the same boat, I dont mind the loudness and want that muscle tone.
      - Matt -
      '69 Camaro


    14. #14
      Join Date
      Sep 2004
      Location
      Orlando, FL
      Posts
      1,086
      Country Flag: United States
      Pypes StreetPro mufflers FTW!!!
      SMSgt Ty Ingle, USAF
      "CF71" - Freedom Bird
      Hoodpins.com, Inland Empire Driveline, Billet Accessories Direct, Modo Innovations, AutoRad Radiators, Morris Classic Concepts, Marquez Design, Anvil Auto, Fesler Billet, US Collision (DOOM), AGR Performance, Pro-touringF-body.com, Phoenix Transmission Products, Shiftworks, ACC Carpet, Hedman Hedders, BMR Fabrication, American Autowire, MityMounts, TIN INDIAN Performance, Kauffman Racing Equipment, Pypes, RobbMc Performance, WMC, Holley, NOS, PST

    15. #15
      Join Date
      Feb 2012
      Location
      Yuma, AZ
      Posts
      192
      Country Flag: United States
      I like quiet, driveable cars. A heavy exhaust is one area I'll add some weight for the sake of pro-"TOURING" 700 miles one-way drives to events will do that. 18" resonators followed by Dynomax Super Turbo's. Car makes enough noise on the inside so you know what is going on, and is respectably quiet on the outside. Cruising at 70mph is wind noise. Best comment I got in the Road Runner was "this thing is a gorilla in a tuxedo."

    16. #16
      Join Date
      Dec 2007
      Location
      Carlsbad, Ca
      Posts
      1,213
      Country Flag: United States
      im a flowmaster delta flow guy. had 40 deltas on the old sbc and 50 deltas on my last two trucks and they are on the new build as well. cant stand the magnaflow or the traditional flowmaster sound (think every 5.0 youve ever heard). the deltas are perfect.
      Tim

      The WidowMaker: Garage Built 70 Chevelle

      Special Thanks To: Rushforth Wheels, MuscleRodz, Kore3 & SC&C

      Build Thread Link




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