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Magnaflow Performance Mufflers Part #11385 Customer Reviews

Average Rating

4 Customer Reviews

perfect sound and stainless too

Reviewed by William P (Mount Vernon, TX) Reviewed for a 1938 Buick Special — Apr 12, 2018 4:58 PM

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Used these on a street rod with 350 sbc 300 HP show car. Sounds good at idle and wakes up when you romp on it. They almost eliminated a drone problem.Just loud enough to let everyone know the car is not a wimp. Would definitely buy again.

14" dual in/out

Reviewed by josh m (MC EWEN, TN) Reviewed for a 2014 Ford F-150 — Apr 05, 2014 7:30 AM

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3 of 3 people found the following review helpful.

Nice deep sound, not near as loud as the flowmaster super 44 I had previously. This should help keep the noise conplaints to a minimum when camping this summer, which is what I bought it for, although I'm still partial to the flowmaster sound

Great Package

Reviewed by Mitch A (Albuquerque, NM) Reviewed for a 1998 Chevy C/K 1500 — Aug 14, 2012 8:43 PM

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4 of 4 people found the following review helpful.

The muffler is a great replacement for stock. It sounds a lot better and seems to give a little more towing power. My truck gets pretty loud at 1500-2000 rpm but then once your cruising its not loud and annoying. I had a hard time installing it only because we had to do a lot of custom stuff to make it fit. Great buy!!

Magnaflow resonated x pipe

Reviewed by Tony C (Kathleen, GA) Reviewed for a 2005 Infiniti G35 — May 07, 2012 6:35 PM

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1 of 1 people found the following review helpful.

Excellent x pipe, quiets down exhaust drone, eliminates rasp, and adds torque! No complaints

Magnaflow Performance Mufflers - 11385

Dual Inlet / Dual Outlet - Oval Muffler
  • $111.49
  • 1-Year Lower-Price Guarantee
  • Free Shipping
  • Ships By 8/15


  • Part Size:
    2.25" Inlet/Outlet, 4" x 9" x 14" body
  • Color:
  • Part #:
  • MagnaFlow Part # 11385
  • Dual/Dual
  • 4" Body Height
  • 9" Body Width
  • 14" Body Length
  • 20" Overall Length
  • Dual 2.5" Core Diameter

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