SKU: 12658446168

aFe Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System (49-44004)

Sale price$213.75 Regular price$237.50
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Description

aFe Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System (49-44004)Mach Force XP 409 SS DPF Back Exhaust System with Single Side Exit (49 44004) by aFe. With Muffler Delete Pipe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP DPF Back Exhaust System. aFe dyno tests every system for maximum gains, and

Mach Force XP 409 SS DPF-Back Exhaust System with Single Side Exit (49-44004) by aFe. With Muffler Delete Pipe. Exhaust System Type: DPF-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive / Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP DPF-Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the DPF (Diesel Particulate Filter).

A performance exhaust system is one of the most common ways of improving a vehicle's operation. The theory is simple; just reduce restriction to increase exhaust flow and you gain power. But all exhaust systems are not created equal; in reality there's more to it than just selling some sewer pipe sized tubes.

aFe tests its systems on the flow bench and the dynamometer to determine the right pipe size. Then they mandrel bend the pipes to ensure they maintain their shape and size throughout the entire length, to provide smooth, unrestricted airflow. Tubes that are not mandrel bent can lose up to 20% of their diameter in sharp bends. A typical aFe system will increase exhaust flow by up to 29% and lower EGT (Exhaust Gas Temperature) by up to 100 , with a corresponding improvement in power and performance.

But performance is only part of the equation. A quality exhaust system should be easy to install and made to last. The pipes of the Mach Force XP system are constructed from durable 409 stainless steel. To ensure a tight seal, slotted and swedged ends are used whenever possible. When used with the supplied premium quality band clamps, the tightest, leak-free seal is the result. Every hanger is thoroughly welded on each side to ensure a strong attachment and the hangers also feature swaged bayonet ends to lock in place once installed.

aFe (Advanced Flow Engineering, Inc.) manufactures performance products for late model cars, light trucks and SUVs. The company was founded in 1999 with an initial concentration on high performance air filters. Since then, the company product line has broadened to include cold air intakes, fluid filters, exhaust systems, intake manifolds, intercoolers, programmers, differential covers, transmission pans and throttle body spacers. The team of engineers, machinists, production and sales people at aFe have many years of experience in their respective positions, and together work to ensure they produce the best automotive products on the market.

Features:

  • 4 in. Mandrel Bent 409 Stainless Steel Tubing
  • DPF/CAT-Delete
  • No Bungs
  • Includes Flange
  • Stainless Steel Band Clamps
  • Bayonet OE Style/Welded-On Hangers
  • Direct Bolt On
  • Intercooled Polished Tip
  • Includes All Hardware
  • 50 State Legal
  • 2 Year Limited Warranty
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: 12658446168

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Amazon Customer
Waukegan, US
★★★★★ 5
Great shelving!
Color: Black, Number Of Shelves: 2, Size: 40"W x 6.5"D, Color: Black, Number Of Shelves: 2, Size: 40"W x 6.5"D
These shelves are amazing, easy to install and look very impressive! Price is good too!
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Reviewed in the United States on April 7, 2026
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Christopher A Lopez
Natrona Heights, US
★★★★★ 5
Clean look and very sturdy
Color: Brown, Number Of Shelves: 2, Size: 36"W x 6.5"D
These floating shelves look great and were easy to install. The invisible brackets give them a clean, modern look, and they feel sturdy once mounted. Perfect for adding storage or décor in a bathroom, living room, or bedroom. Great quality for the price.
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Reviewed in the United States on February 15, 2026
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braelynn
Lowell, US
★★★★★ 5
The perfect shelf’s
Color: Oak, Number Of Shelves: 2, Size: 32"W x 6.5"D, Color: Oak, Number Of Shelves: 2, Size: 32"W x 6.5"D
These are perfect easy to put together and sturdy enough for my decor to sit on. hardware was easy to it together.
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Reviewed in the United States on April 24, 2026
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Jane Ashley
Omaha, US
★★★★★ 5
Easy install
Color: Brown, Number Of Shelves: 2, Size: 24"W x 6.5"D
Nice looking shelves, easy to install and less expensive than similar shelving at the big box stores.
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Reviewed in the United States on May 27, 2026
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tthas99
Cuba, US
★★★★★ 4
“Brown” floating shelves
Color: Brown, Number Of Shelves: 2, Size: 60"W x 6.5"D, Color: Brown, Number Of Shelves: 2, Size: 60"W x 6.5"D
These shelves are great, easy to install. My only complaint is the color is not quite what I expected. I ordered “brown” and they look a little more “walnut”.
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Reviewed in the United States on May 31, 2026

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