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Description
Chevy 2001-2004 GMC 6.6L LB7 Duramax Diesel Turbo 3" Downpipe Exhaust Black3" Turbo Down Pipe, Black Coated Finish Greater Heat Retention 20% Greater Flow Over Stock Richer Diesel Sound Gains of up to +21 HP and +24 lb ft Torque Engineered and Tested to Exceed Original Equipment Standards and Performance Professional Installation is Highly Recommended (No Instruction Included) Fitment: 2001 2004 Chevrolet Silverado 2500HD 3500HD 6. 6L Duramax Diesel LB7 2001 2004 GMC Sierra 2500HD 3500HD 6. 6L Duramax Diesel LB7 Excludes
- 3" Turbo Down Pipe, Black Coated Finish
- Greater Heat Retention
- 20% Greater Flow Over Stock
- Richer Diesel Sound
- Gains of up to +21 HP and +24 lb/ft Torque
- Engineered and Tested to Exceed Original Equipment Standards and Performance
- Professional Installation is Highly Recommended (No Instruction Included)
Fitment:
- 2001-2004 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax Diesel LB7
- 2001-2004 GMC Sierra 2500HD/3500HD 6.6L Duramax Diesel LB7
- Excludes Newer 2004.05 LB7 Engine Model
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 7 reviews
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Product Reviews
★★★★★ 5
Good Quality, Good Price for a Subaru Replacement Air Filter
Look like a great name brand filter. Not a bad price for a Subaru (2013) replacement. I will buy again if available.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
It works!
Fitment was great on my 2014 Subaru Crosstrek. Construction was solid and great that I don’t have to worry about changing it for 18,000 miles. Would purchase again.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
As described, great quality
Perfect fit and function for 2018 Subaru Outback
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Reviewed in the United States on January 15, 2026
★★★★★ 4
Good product
This is a long life filter without having to oil and wash like a lifetime k&n.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Fits great
Excellent value for the money and fits great. Does exactly what you need it to.
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Reviewed in the United States on February 17, 2026