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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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For Your Every Summer RSVP, with Code: SUMMER15
Description
AFE 49-44001 Large Bore HD 4” Cat Back Exhaust SystemThe AFE 49 44001 Large Bore HD 4 Cat Back Exhaust System for the 2001 2005 GM 6. 6L Duramax is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" cat back with muffler. Large Bore HD exhaust systems are the perfect combination of performance, fit and value. Features: 409
The AFE 49-44001 Large Bore HD 4” Cat Back Exhaust System for the 2001- 2005 GM 6.6L Duramax is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" cat-back with muffler. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.
Features:
409 Stainless Steel
4” Mandrel Bent Tubing
Free-Flowing 24" Muffler For Powerful Sound
OE-Style Band Clamps for Leak Free Seal
Uses Factory Mounting Locations Easy Bolt-On Installation
Cat-Back
Made in the USA
Applications:
2001-2005 GM 6.6L Duramax (All Cabs & Beds)
WARRANTY INFO:
2 Year
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
4.3 ★★★★★
Based on 1913 reviews
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Product Reviews
★★★★★ 5
Me gustó
Size: 35W x 31L, Color: Purple
Me encantó como se ve y se ajusta a la talla.
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Reviewed in the United States on June 5, 2026
★★★★★ 3
Color is awesome but material isn’t.
Size: 34W x 32L, Color: Blue, Size: 34W x 32L, Color: Blue
The color is pretty much as advertised. I wear a 33 so I order up a size and they were both too long and too big. Instead of returning them I washed them and put them in the dryer. The length after washing turned out perfect but the waist is still a little too big. It should also be noted that the quality of the material isn’t the best. After washing them this is how the pockets will look. You have to iron them each time to get them flat again. I would buy again because of the variety of colors but only at a cheaper price.
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Reviewed in the United States on September 15, 2025
★★★★★ 5
Runs small
Size: 36, Color: Khaki
The jeans are a nice color, and length… they run SMALL… I wear a 33-34 and bought a 36. They were skin tight but breathable material… I sent them back to order a 38
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Reviewed in the United States on May 5, 2026
★★★★★ 5
I’m happy with the jeans
Size: 40, Color: Pink
I am very satisfied with this purchase. A lot of compliments too. They fit well, stretch to the material but the skinny fit look. The quality so far is great.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Comfortable Jeans
Size: 38, Color: Khaki
Excellent pair of jeans. Super comfortable
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Reviewed in the United States on April 17, 2026