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Customer Service

  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed


  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed


  • Monday to Friday: 7am - 10pm CST
  • Saturday: 8am - 8pm CST
  • Sunday: 8am - 10pm CST

Magnaflow Exhaust System 15754

Product Information
List Price:
Our Price:
5 (1 review)
Part #:
Dual Split Rear Exit
Pipe Size: 3" Inlet/2.5" Outlet | 3.5" Tips
  • Delivers a deep, smooth tone
Add to Cart
Ships Mar 27th - 30th


  • Constructed of T-409 stainless steel
  • Mandrel bent, wide-diameter pipes increase exhaust flow, boosting engine performance
  • Straight through muffler design further decrease exhaust flow restrictions
  • Dyno tested for guaranteed results
  • Improved fuel mileage - if you can keep your foot off the gas, which you won't be able to do..
  • Perfectly balanced deep, throaty rumble
  • Easy to install
  • Made in the USA – Oceanside, CA

Everyone wants more horsepower & torque, greater fuel efficiency, and a meaner sound. Magnaflow Performance exhaust systems are engineered to increase performance while sounding great. If you're looking to upgrade your ride, a new exhaust is a great place to start, and Magnaflow is the best in the business.

Magnaflow uses larger diameter, mandrel bent pipes to increase exhaust flow, which helps to boost performance and fuel efficiency. 1/2" overlapped welds ensure a leak-free exhaust system. Great care has been taken to ensure the exhaust rumble is a smooth throaty sound, and not an overwhelming drone.

All of the MagnaFlow exhaust systems use stainless steel construction for a long lasting, rust free life. Tips and mufflers are included, and polished to a mirror-like finish. A flow through performance muffler with acoustical fiberfill creates a quiet interior drone and the desired exterior rumble. Every exhaust kit is tested and dyno proven for optimal performance.

Boost your ride's performance with a Magnaflow Performance exhaust system. Your car will thank you with better fuel efficiency and greater get-up-and-go.

View Available Part Numbers For This Product Line


  • 1999-2002 Chevy Silverado 1500, 6'6" Bed, Extended Cab, 4.3L V6
  • 1999-2002 Chevy Silverado 1500, 6'6" Bed, Extended Cab, 4.8L V8
  • 1999-2002 Chevy Silverado 1500, 6'6" Bed, Extended Cab, 5.3L V8
  • 1999-2002 GMC Sierra 1500, 6'6" Bed, Extended Cab, 4.3L V6
  • 1999-2002 GMC Sierra 1500, 6'6" Bed, Extended Cab, 4.8L V8
  • 1999-2002 GMC Sierra 1500, 6'6" Bed, Extended Cab, 5.3L V8

Frequently Asked Questions

Question: Will I get better gas mileage with Magnaflow Performance Exhausts?
Answer:  A better performing engine runs more efficiently using less gas, as long as you drive similarly. Magnaflow mufflers are designed to be performance mufflers.

Question: How much horsepower can I expect to gain?
Answer: Every vehicle is different, but average horsepower gain is about 10%.
Switching to Magnaflow muffler/exhaust helps increase power by expelling exhaust gases faster making the engine work less and run more efficient.

Question: Why is Magnaflow the best exhaust system?
Answer: Magnaflow outperforms, looks better, and sounds deeper than all other exhaust systems. The Research and Development Team at Magnaflow invests numerous hours to ensure the products stay competitive and outperform the competition. Magnaflow cat back exhausts feature straight-through flow designs for ultimate, unrestricted horsepower and torque, yet they maintain efficiency.


Watch This VideoMagnaFlow Chevrolet Silverado Cat-Back Exhaust System - Sound Clip
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Watch This VideoMagnaFlow Toyota Tundra Cat-Back Exhaust System - Sound Clip
Watch This Video2014 GMC Sierra Denali / Sierra 1500 / Chevrolet Silverado 1500 with MagnaFlow Part #15329
Watch This Video2014 GMC Sierra - MagnaFlow Exhaust Part #15268
Watch This Video2011-2014 Ford F-150 V6 3.5L Turbocharged with MagnaFlow Part #15335
Watch This VideoMagnaflow Performance Gas Exhaust Systems Fast Facts
Watch This Video2013 Toyota Tacoma - MagnaFlow Exhaust Part #15240
Watch This VideoUnboxing Magnaflow Exhaust System


Product Reviews Summary

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Part #: MAG-15754 Posted on
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- GMC Sierra 1500 (Chatham, ON)
Price / Value
Ease of Installation
Awesome product!!! Easy to install only took about 3 hours total and there was no need for a lift for my silverado. The hardest part was gettin rid of the old exhaust. Just need to take it to our shop to tig weld the 3.5" tips on!!(you can clamp them on, but theft around here would see them go missing!!) Everything fits nicely!! The only Problem I had was the nuts to the exhaust flange were seized and ended up using the air hammer and replaced the pressed in bolts with regular stainless and a nylock nut!! But other then that looks good and sounds good!!!


Limited Lifetime Warranty

MagnaFlow covers all exhaust systems with a lifetime warranty. The warranty protects you against manufacturing defects in materials and quality of workmanship.  The warranty does become void if installed improperly, misused, altered or damaged in an accident. If you have any further questions please don't hesitate to call our wonderful customer service department at 1-877-216-5446.


Every Magnaflow exhaust system is engineered specifically for your rig. For additional information please call our Customer Loyalty staff 877-216-5446 or 701-253-5906.

PDF Icon Magnaflow 15754 Installation Instructions