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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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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 1049 reviews
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Product Reviews
★★★★★ 5
Great Engine Air Filter For Honda Accord Speed 2.0 2018
Size: (Pack of 1)
It is one of the 2 engine air filters available on Amazon for Honda Accord Speed 2.0 2018. I see the same quality as the original OEM engine air filter. Perfect fit. The other one is K&N 33-5074, but at a much higher price.
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Reviewed in the United States on April 3, 2024
★★★★★ 5
It Fits
Size: (Pack of 1)
It fits and the engine hasn't blown up yet, so so far so good. More to the point, the increased air flow has yielded better gas mileage and engine response.
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Reviewed in the United States on November 15, 2025
★★★★★ 1
Does not fit 19 accord
Size: (Pack of 1), Size: (Pack of 1)
Does NOT fit the 2019 accord. Literally just tried it and it’s too big.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Grill for BMW
Size: For 2003-2006 E46 2-Door, Color: Carbon Fiber
Looks great could have better clips on them as they are kinda loose.
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Reviewed in the United States on August 5, 2024
★★★★★ 5
Great a fit, easy to Install
Size: For 2002-2006 E46 3-Series Sedan, Color: Chrome
Fit perfectly. To install, slider the bottom in first, then press the top in. It will snap into place and fit snuggly. Recommend.
I have an e46 2024 330i.
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Reviewed in the United States on March 31, 2026