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Thread: Anybody running "Magna Flows"

  1. #1
    Join Date
    Jan 2005
    Location
    Just South of Memphis, TN
    Posts
    624

    Anybody running "Magna Flows"

    I'm replacing "old" magna flows...
    I believe I need 2 1/2", 4 X 9" oval Center/Offset straight through performance Mufflers.
    Anybody using these and am I correct in the description?

    I have to replace my old ones because the hanger rod broke off the muffler and took a half dollar size plug out of the exterior of the muffler..!!!
    No will touch repairing it.... these are about 16 years old and the sound is perfect (to me anyway).

    So now I have to replace with new and break them in....

    As always, Thank folks for your time and advice...

    Architect
    Modifications to my 2004 Mercury Marauder:
    "Xcalibrator SCT" Flash...BEST MODIFICATION...
    "Ford Racing" 410 gear
    18"X8.5" Black Bullitt Wheels
    Black Lugs and Black Aluminum Valve stems
    "Ford Racing" Center caps
    Black Wilwood Brakes (fronts)
    A-Pillar Mounted "ScanGauge II"
    "Powered By Ford" coil covers
    30% Window Tint
    "X-pel" Light Shields
    "Magnaflow" Stainless Mufflers
    "Pro-gard" skid plate
    "WeatherTech" window deflectors
    "Stealth Tech" Parking/turn lamps
    Rear Spoiler
    "Sylvania" Silver Stars headlight lamps
    "Kenny Brown" dead pedal
    "Megs" delete resonator tips
    "SS" Titanium Inserts
    Blacked out window trim

  2. #2
    Join Date
    Jun 2019
    Location
    VA
    Posts
    164
    Anybody running "Magna Flows"

    Yes...MARAUDER Exhaust.JPG

  3. #3
    Join Date
    Jun 2008
    Location
    Waukesha, WI
    Posts
    1,604
    Quote Originally Posted by Architect View Post
    I'm replacing "old" magna flows...
    I believe I need 2 1/2", 4 X 9" oval Center/Offset straight through performance Mufflers.
    Anybody using these and am I correct in the description?

    I have to replace my old ones because the hanger rod broke off the muffler and took a half dollar size plug out of the exterior of the muffler..!!!
    No will touch repairing it.... these are about 16 years old and the sound is perfect (to me anyway).

    So now I have to replace with new and break them in....

    As always, Thank folks for your time and advice...

    Architect
    Are you able to get under the car with a tape measure? That would be your best bet. They could be any number of sizes based on who and how they were put in.
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  4. #4
    Join Date
    Jan 2005
    Location
    Just South of Memphis, TN
    Posts
    624
    Beautiful installation... thanks
    Modifications to my 2004 Mercury Marauder:
    "Xcalibrator SCT" Flash...BEST MODIFICATION...
    "Ford Racing" 410 gear
    18"X8.5" Black Bullitt Wheels
    Black Lugs and Black Aluminum Valve stems
    "Ford Racing" Center caps
    Black Wilwood Brakes (fronts)
    A-Pillar Mounted "ScanGauge II"
    "Powered By Ford" coil covers
    30% Window Tint
    "X-pel" Light Shields
    "Magnaflow" Stainless Mufflers
    "Pro-gard" skid plate
    "WeatherTech" window deflectors
    "Stealth Tech" Parking/turn lamps
    Rear Spoiler
    "Sylvania" Silver Stars headlight lamps
    "Kenny Brown" dead pedal
    "Megs" delete resonator tips
    "SS" Titanium Inserts
    Blacked out window trim

  5. #5
    Join Date
    May 2020
    Location
    Georgia
    Age
    21
    Posts
    74
    I'm currently running Magnaflow 4"x9" STs. I believe the right P/N for these cars is the Magnaflow 11224s. I purchased 11225s since I could've sworn the diameter was 2.25" but not quite. At the shop the guy who was welding them in pointed out the outlet was slightly more than 2.25" and the inlet was 2". My exhaust is entirely stock otherwise.

    That's just my 2 cents though. I'd definitely double-check before you get your mufflers.
    2003 300B Mercury Marauder
    Built 01/22/03
    Purchased 01/29/20
    68,xxx miles

    July 12, 2023 - 68,203 Miles - RIP original engine

    October 31, 2023 - Rebuilt engine installed

    Modifications/Stuff I have done on the car:
    Engine:
    rebuilt stock; slightly overbore. Original 68k mile heads, new OEM Ford performance timing kit, Terminator Cobra Oil Pump, Billet Steel oil pump gears, ARP head studs, main cap studs, and side bolts. The latter ARP stuff for future endeavors.
    Transmission:
    Thor 2800-3000 Stall Converter
    Suspension:
    ADTR Front + Rear Sway Bars
    Metco Billet Watts Link
    Metco Billet Rear Control Arms
    Cosmetic:
    1998-2003 Amber tail lamp conversion - Painted and smoked to near-OEM spec.
    HID Projector Headlamp Retrofit
    OEM Mercury Mountaineer Hitch Cover
    Front in-channel rain guards
    Other Stuff:
    4-pin trailer harness
    Class III Tow Hitch
    Cadillac 4-note horns
    Hayden 679 Transmission Cooler
    Obligatory Marty Tune

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