SKU: 37705772360

aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-42051-1P)

Sale price$282.15 Regular price$313.50
Save 10%

Pay in installments of $78.38 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-42051-1P)Large Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 42051 1P) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 5". Exhaust System Sound: Moderate. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD DPF Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel

Large Bore HD 409 SS DPF-Back Exhaust System with Single Side Exit (49-42051-1P) by aFe. Exhaust System Type: DPF-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 5". Exhaust System Sound: Moderate. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD 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.

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 Large Bore HD 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. The factory mounting locations are used throughout and a 2-piece tailpipe facilitates adjustment.

Every system comes with clamps, hangers and detailed instructions to guide you through the installation. The Large Bore HD Exhaust System is made in USA.

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:

  • Aggressive Sound
  • Street Legal
  • Includes High Quality Band Clamps
  • Direct Bolt On
  • Hassle Free Installation
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: 37705772360

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 8 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
B
bikerider
Whiting, US
★★★★★ 5
These Mop Pads Made My Hardwood Floors Shine Again!
Color: L40 Ultra Mop Pad, Color: L40 Ultra Mop Pad
I picked up this 8‑pack of mop pads for my Dreame X40 Ultra, and they’re exactly what I needed. These attach with Velcro, so swapping them out is as simple as pulling off the old pad and pressing on the new one. No tools, no fuss. My original pads lasted a long time, but nothing beats the feeling of putting on fresh, fluffy mop pads and watching the robot make the floors shine again. These are the same size, same fit, same performance as the originals. 🧹 Compatibility Dreame and MOVA are basically sister companies, so these pads don’t just fit the X40 Ultra — they also work with a ton of other models, including: - L40 Ultra - X40 Ultra - X50 Ultra - L50 Ultra - L10S Ultra - L10S Pro Ultra Heat - L10S Ultra Gen2 - L40S Ultra - X30 Ultra - L10 Ultra - And yes — MOVA models like the E40 Ultra If you’ve got a Dreame or MOVA robot, chances are these pads will fit perfectly. 🪵 Cleaning Performance These pads leave my hardwood floors looking clean and streak‑free. The robot spins them with enough pressure to lift dirt, dust, and whatever the dogs track in. Fresh pads always make a difference, and this pack gives you plenty of backups. 💰 Value Eight pads at this price is a steal. OEM pads cost way more, and these perform just as well. Great fit, great quality, great results. ⭐ Final Thoughts Easy to install, perfect compatibility, and they make my floors look amazing. Couldn’t be happier with the purchase. I’ll definitely keep a pack of these on hand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
P
Prosumer
Whiting, US
★★★★★ 5
Exceptional Value – Identical Quality to OEM Parts!
Color: L40 Ultra Accessories, Color: L40 Ultra Accessories
I recently received this replacement accessories kit for my robot vacuum, and I couldn't be more impressed. To be honest, I was a bit skeptical at first—usually, when you buy third-party bundles, you expect some trade-off in material quality or fit, but that is absolutely not the case here. Packaging & Delivery The kit arrived exactly as described and was packaged very securely. Everything was organized neatly inside the box, ensuring that the side brushes weren't bent and the HEPA filters remained pristine during transit. It’s clear the manufacturer took care to make sure the product arrives in perfect condition. Quality & Performance After comparing these parts side-by-side with the original factory components, I genuinely cannot see any difference in quality. • The Main Brushes: The rubber material feels durable and has the same flexibility as the original, picking up hair and debris without any issues. • The Mop Pads: These are thick, absorbent, and the Velcro backing aligns perfectly with the vacuum’s mop plates. • Filters & Bags: The HEPA filters fit snugly with a proper seal, which is crucial for maintaining suction power, and the dust bags are made of a thick, multi-layer material that feels very reliable. Final Thoughts This set is a fantastic value. Buying these components individually or from the name brand would easily cost double or triple the price. You get a massive supply of consumables that will likely last me over a year. If you are looking for a way to maintain your vacuum’s peak performance without overspending on "official" replacements, this is the kit to get. Everything snaps into place effortlessly and works perfectly. Highly recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
H
Hidden for Security Purposes
Alexandria, US
★★★★★ 4
Great Vacuum Kit
Color: L40 Ultra Accessories, Color: L40 Ultra Accessories
I'm not sure if I didn't read carefully enough, or if the title/description changed afterward, but I got this for our Dreame X50, which is similar to the X40 but not quite the same. It looks like everything in this kit will work with ours, except the rollers. The rest of it, the bags, the filters, and the brushes, look the same though, and I can confirm that the mop pads work. Overall, it looks like a great set, full of everything you'd need to freshen up the robot that keeps your house fresh.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
A
AJX8141
Dallas, US
★★★★★ 5
Great replacement mop pads that hold up well through multiple washes
Color: L40 Ultra Mop Pad
I've been really happy with these replacement mop pads for my x30 Ultra Dreame robot vacuum. They snap on and off easily without any tools, which makes swapping them out between cleaning sessions quick and hassle-free. The microfiber material feels dense and absorbent — comparable to the original pads that came with the unit — and they do a solid job picking up grime on my hard floors, including tile and laminate. Getting 8 pads in a pack is a great value. I rotate through them regularly and toss a few in the washing machine at a time, and so far they've held their shape and absorbency well after repeated washes. No fraying or velcro attachment issues yet. My only minor complaint is that the fit can feel slightly less snug than the OEM pads, but once the robot is running, they stay in place fine and perform just as well. Overall, a solid third-party option that saves you money without sacrificing cleaning performance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
C
Charles
Carnegie, US
★★★★★ 5
Original equipment quality
Color: L40 Ultra Accessories
Perfect set. I held back on this review until I had to chance to try everything, and it is "OEM" quality in every way. The mop heads fit securely and are the right size and texture. The filters are exactly right and appear to be high quality materials and snug up properly. The rollers fit correctly and last as long as the originals. The brushes appear to be the same thing. Finally, the bags themselves fit well and snap shut for disposal. I would be hard pressed to tell the difference, and moreover the cost difference from original is extreme (4X or more). I'm ordering another set.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026

recommand products