MagnaFlow X-PIPE Performance Muffler 11386 | 2.5" Inlet/Outlet

4.6 4.6 out of 5 stars | 423 ratings

Price: 152

Last update: 12-17-2024


About this item

SIGNATURE MAGNAFLOW SOUND - The 4" x 9" oval body is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for.
DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 4" x 9" Oval muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.
OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA.
UNIVERSAL FITMENT - Universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended.
LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty.

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MagnaFlow X-PIPE Performance Muffler 11386 | 2.5" Inlet/Outlet

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Top reviews from the United States

  • Heather
    5.0 out of 5 stars Awesome!!
    Reviewed in the United States on June 24, 2024
    The media could not be loaded.
    Chopped out X pipe and replaced with this. Drone , rasp, and popping gone. Quieted down substantially when added to the borla axle back touring . VERY DEEP and RICH at part throttle and idle. Screams like an LS should when ya crack it. Wish audio was better on video..... Sounds amazing!
    2012 Camaro SS . Heads, III BTR, LS3 valvetrain, long tubes cat-less, DOD delete, Circle D 3200, 373 gear..... smile extra large
  • Scott D
    5.0 out of 5 stars Perfect sound on Maserati Granturismo
    Reviewed in the United States on August 5, 2022
    Removed the stock mufflers and resonator and used this xpipe muffler to replace the stock X pipe on my 09 Maserati Granturismo. Wasn't about to pay several thousand for a Larini exhaust. Some drone right at 2100rpm but otherwise no drone at any other RPM. Fantastic sound, opens things up and makes it truly sound like a 4.2 Italian V8. Deep and aggressive but more refined than an American V8 (not that there's anything wrong with that sound either) muffler build quality is excellent, which is to be expected from Magnaflow. Excellent welds and stainless steel, not worried about longevity. Magnaflow is always more expensive than it should be but it still beats the alternative. No noticeable power change either direction.
  • A
    5.0 out of 5 stars Sounds great
    Reviewed in the United States on July 26, 2024
    I went used and only the box was garbage. This worked out great for my going true duals on my civilan N/A Explorer.
  • Ty
    5.0 out of 5 stars Sounds like a true muscle car.
    Reviewed in the United States on March 24, 2024
    This product was delivered fast. We put it on a Camaro and it sounds like a mean muscle car machine. Just what we wanted. Well made.
  • Nick
    5.0 out of 5 stars Drone Killer!
    Reviewed in the United States on October 22, 2019
    I bought a used 2015 V6 Camarro that came with Flowmaster mufflers on the back. It sounded more like a souped up import than a muscle car and had a terrible drone right around 1700-2300 rpm a.k.a. highway cruising and wake the neighbors high idle. My wife was exhausted after a 1 hour drive and I got tired of setting off the car alarm in the little Honda that parks behind me.

    I added this muffled x pipe up stream and kept the Flowmasters in place. Nothing compares to the sound of a V8 with headers, but this unit took the raspy tuba out of the high range and gave it more of a growling idle. Definitely more "American" sounding. It stepped on that drone pretty good too. The obnoxious drone range pinched down to around 1900-2050 rpm and isn't as loud when it's in it. I still set of the Honda's alarm from time to time when he parks to close, but I took the wife on a 2 hour cruise through the mountains and she was happy with the reduction in noise.

    The car has a nice grunt when I step on it, but is much quieter in cruise, and if I use the paddle shifters to get further away from the droning range, it goes silent. I couldn't be happier with how this pipe balanced my car between daily driver and kept a good time when I want it.
  • Alyssa Stechschulte
    4.0 out of 5 stars Fits a 99 Chevy Silverado
    Reviewed in the United States on August 6, 2024
    It’s not too quiet but also not as loud as straight pipes yet still gives it a nice tone. The price isn’t bad overall but only thing I would complain about is that the welds could be better.. they aren’t as clean as the advertised photo.
  • Jerome
    5.0 out of 5 stars The sound is awesome low Rumble
    Reviewed in the United States on April 11, 2024
    I like how well it fits under the truck and all the pipes connected so easy ,performance is great.
  • Bullnose
    5.0 out of 5 stars Great product exceeded expectations
    Reviewed in the United States on January 28, 2024
    Installed on 1986 f150 5.0. This muffler exceeded my expectations of both sound and performance. The integrated X pipe gives the exhaust a smooth note, and provides a deep tone. The truck also seemed to accelerate better when compared to the stock system.

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