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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
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Description
Flowmaster 817727 Force II Cat Back SystemProduct Description This bolt on 409S stainless steel system for the 2. 7L, 3 1 2 L Ecoboost V6, 3 1 2 L TiVCT and 5. 0L engines. Features 3 Inch mandrel bent tubing flowing into a 70 Series performance muffler and exiting into the 3 Inch tailpipe with a large 4 Inch double walled polished stainless steel tip. This system fits all cab and bed configurations except Standard Cab Short Bed models and Ford Raptors. Designed for an easy fit, this system
Product Description
This bolt-on 409S stainless steel system for the 2.7L, 3-1/2 L Ecoboost V6, 3-1/2 L TiVCT and 5.0L engines. Features 3 Inch mandrel-bent tubing flowing into a 70 Series performance muffler and exiting into the 3 Inch tailpipe with a large 4 Inch double walled polished stainless steel tip. This system fits all cab and bed configurations except Standard Cab/Short Bed models and Ford Raptors. Designed for an easy fit, this system Features all necessary parts and hardware for installation.
Exhaust System Kit; Force II® Cat-Back System; 409S Stainless Steel; With Muffler; 3 Inch Pipe Diameter; Single Exhaust With Single Exit; Single Rear Exit; 4 Inch Round Polished Stainless Steel Tip
Features & Benefits
- Large 4 Inch Polished 304 Stainless Steel Tip
- Mandrel-Bent Stainless Steel Construction
- Dyno Tuned For Maximum Performance
- Great Choice For Towing Applications
- Uses The Factory Hanger Locations
- Quick And Easy Installation
- Moderate Exterior Tone
- Minimal Interior Drone
- Delta Flow Technology
- Limited Lifetime Warranty
Attributes
- Type: Cat-Back
- Exhaust Type: Single
- Outlet Type: Single
- Exit Position: Passenger Side Behind Tire
- Material: Stainless Steel
- Includes Muffler: Yes
- Sound Level: Mild/ Moderate
- Diameter (IN): 3 Inch
- Includes Exhaust Tip: Yes
- Exhaust Tip Style: 4 Inch Round Straight-Cut
- Exhaust Tip Material: Stainless Steel
- Muffler Quantity: 1
- Includes Exhaust Pipe Muffler Delete: No
- Muffler Configuration: Single Inlet/ Single Outlet
- Muffler Brand: 70 Series
- Includes Hardware: Yes
- Required Welding: No
- Estimated Install Time (Hours): 2
Installation Instructions
Warranties
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.9 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 3
Not well made
I have used these for 2 weeks now and one of them has a hole in the sole...
I won't ever buy them again
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Reviewed in the United States on July 15, 2025
★★★★★ 5
Works for foot psoraisis
Size: 2 pairs black L
Got these for work (service industry) to reduce issues with psoriasis and blisters while putting on 20k+ steps a day. Over time the wounds healed and I could work without so much pain. I now don't use them all the time like I used to, only when a new lesion or blister appears, too prevent a breakout. Tip: if you're not in full breakout, wear thick socks under these as a barrier to friction.
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Reviewed in the United States on April 28, 2026
★★★★★ 4
Work well but run small
Size: 1 pair black L
They do seem to run a bit small. I bought them for my bf but snagged them from him because I couldn’t resist! I’m about a W8/12 and they were just a little big but unlike others, I just put them on while sleeping and didn’t walk around with them. If you’re just planning on that, they did a great job at sloughing and moisturizing 😎
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Good socks they work.
Size: 2 pairs black L
I normally wear size 13&half to 14 men's, and these fit me ok. They sit just below the ankle. They can get a little tight for me so you should look out for that if you are on the thicker side. But they work as advertised and help moisturize your feet. I recommend wearing them if you're going to just be hanging around home for a bit in one spot as they can be a little slippery to walk in if you go fast. Would not recommend going up and down stairs.
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Good socks
Size: 1 pair black L
Good socks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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