SKU: 71659441761

RAM, 2011-2026, 6.4L, Stainless - MPI Exhaust Cat-Back Dual Stainless Kits

Sale price$344.70 Regular price$383.00
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

RAM, 2011-2026, 6.4L, Stainless - MPI Exhaust Cat-Back Dual Stainless KitsThe MPI Exhaust Kit is a Cat back Exhaust system specifically engineered for Ram trucks equipped with a 6. 4L engine. It enhances overall vehicle performance and towing power, delivering notable gains in horsepower, torque, and fuel efficiency, as verified by extensive dyno testing. Designed for easy DIY installation, the kit leverages 35 years of exhaust experience and includes all necessary hardware. Features: Patented Pulse Chamber Technology: Our

The MPI Exhaust Kit is a Cat-back Exhaust system specifically engineered for Ram trucks equipped with a 6.4L engine. It enhances overall vehicle performance and towing power, delivering notable gains in horsepower, torque, and fuel efficiency, as verified by extensive dyno testing. Designed for easy DIY installation, the kit leverages 35 years of exhaust experience and includes all necessary hardware.

Features:

  • Patented Pulse Chamber Technology: Our PCT is utilized to eliminate all in-cab drones, even while towing!! Backed by our Guaranteed No Drone.  
  • High-Quality Materials: The MPI Stainless kit features durable 409 Stainless components, including hangers, clamps, tubing, and mufflers, with 304 Stainless tips.
  • Easy Installation: No welding needed. It uses factory hanger locations and includes detailed trimming instructions to accommodate all wheelbases.

Performance Benefits:

  • Horsepower Gains:+ 18 hp at 3,900 RPM
  • Fuel Efficiency: Average improvement of 2-4 MPG
  • Sound Quality: Aggressive yet refined exhaust tone with no in-cab droning
  • Heat: Reduces under-hood manifold temperature by 150 degrees

Sound Quality: 

  • MPI Turbo Series: Our Turbo series Muffler combines MPI benefits with a pleasant, mellow exterior tone that is slightly deeper than the stock system.
  • MPI Performance: Our Performance Muffler provides a crisp, aggressive tone that remains balanced. 

Fitment

  • Make: Ram
  • Model Years: 2011 – 2026
  • Chassis: 2500, 3500
  • Engine: 6.4L
  • Wheelbase: Compatible with all wheelbases

Detailed Specifications

  • Material: 409 Stainless steel
  • Installation: Clamp-together, direct fitment to factory hanger locations.
  • Hardware: Includes all necessary hardware for installation.
  • Tubing Size: Dyno-proven optimal size for performance.
  • Tips: Large 3.5" x 12" long 304 Stainless tips for a refined appearance.

Patented Technology

  • Exhaust Pulse Chamber (Pat. 11713700): Guaranteed no drone and optimizes exhaust flow and overall performance.

Warranty

  • MPI Exhaust has A Limited Lifetime Warranty for all Stainless Products.

Instructions

D351 & D352 - Instructions

Fitment Images

  •   2025 Ram 6.4L 3500 - Behind Tire - Black Tips - MPI Turbo Series 
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71659441761

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Michelle Pepe
Belleville, US
★★★★★ 5
Feels Like Sleeping on a Cloud — One of My Favorite Bedsure Products Yet
Color: Black, Size: King
I’ve had really good experiences with Bedsure products over time, so whenever I get the chance to try another one I usually do, and this mattress topper definitely did not disappoint. This one went on my mom’s king size bed and the difference was noticeable immediately. The topper has a soft, cloud-like feel while still giving enough support underneath so you don’t just sink straight through it. It added a much more comfortable layer to the mattress and made the bed feel cozy and inviting without being overly heavy or hot. I also appreciated how easy it was to put on. The deep pocket design fit securely over the king mattress without struggling to stretch the corners, and once it was on, it stayed in place well through the night. The material feels breathable and smooth, which is especially nice for warmer nights. My mom commented that she slept really well with it and woke up feeling more comfortable than usual, which honestly says a lot. Overall this feels like a high-quality mattress topper that makes a bed instantly more comfortable. Bedsure continues to be one of those brands I trust for soft bedding and reliable quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
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Verified Purchase
Emily Gutierrez
Grantham, US
★★★★★ 2
Not Worth the Price
Color: Black, Size: Queen
I expected more. The images are a bit misleading with the amount of fluff and thickness the product actually has. Despite following the instructions, it’s pretty flat. It had a funky chemically smell to it, so I sprayed with some Febreeze. Honestly in my opinion I don’t think it’s worth $60. I think if you want something similar, go to Marshals or TJ Maxx.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
J
John S.
Whiting, US
★★★★★ 5
Makes my camp mattress so much better.
Color: Black, Size: Full
I'm in a small motorhome and this has helped my sleep quality a ton. I got rid of my big mattress because the 2 camp mattresses I have are smaller in size, but a bit dense than the mattress I had. Uncomfortable for anyone that sleeps on them for long periods and when I come from biking or hiking the pain was making it hard to sleep. These have improved my sleep quality immensely. It also, to my surprise fit well, the cushions are only a few inches. These are up to 18, but the edge is nearly a perfect fit at the start. The straps keep it from moving. The length and width using 2 of the bed rolls is nearly perfect. On mattress the deeper part of the pocket, would fit perfectly. The quality feels great, lightweight and washable, this is one of those items I wouldn't have likely ordered, but trying it is near priceless for my usage. Couldn't imagine how good it must be on a bed.
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Reviewed in the United States on May 27, 2026
R
Verified Purchase
Rabin Thapa Magar
Lexington, US
★★★★★ 5
Ultra-Light, Cooling & Comfortable – Great for Night Sweats!
Team Name: Cooling Comforter, Size: Full/Queen(90"x90"), Color: 01dark Grey
The DOWNCOOL Cooling Comforter Set (Queen Size 90”×90”) is a fantastic choice if you tend to sleep hot. The comforter uses advanced cooling fabric technology that absorbs body heat and helps reduce skin temperature by a few degrees, making it ideal for summer or warm climates. The material feels cool to the touch, lightweight, and breathable, so you stay comfortable without feeling heavy or sweaty. It also features moisture-wicking and quick-dry properties, which help keep the bed fresh throughout the night. The set includes 3 pieces (comforter + 2 cooling envelope pillowcases), and the pillowcases add an extra cooling effect around your head and neck. The fabric is soft and skin-friendly (often OEKO-TEX certified), making it safe for everyday use. It’s also machine washable and durable, maintaining its cooling performance even after multiple washes, which makes it practical for long-term use.
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Reviewed in the United States on March 18, 2026
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Verified Purchase
Justin
Grantham, US
★★★★★ 5
Cool and comfy
Team Name: Cooling Comforter, Size: King(104"x90"), Color: 01grey
So comfy, lightweight, soft and yes, cool to the touch. Doesn’t stay cool though for long exposure but great for sleeping with animals or others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026

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