SKU: 12273027728

Banks 5" Single Side Exit Monster Exhaust System 20-23 GM 6.6L Duramax L5P

Sale price$282.60 Regular price$314.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Banks 5" Single Side Exit Monster Exhaust System 20-23 GM 6.6L Duramax L5PHave you noticed the factory exhaust outlet on your L5P Duramax? The stock exhaust nozzle measures a measly 2. 85" that drastically reduces exhaust flow right at the tailpipe. Upgrade your system with this 5" DPF (Diesel Particulate Filter) Back system from Banks, available in either a polished or black exhaust tip. UP THE FLOW With the stock exhaust nozzle measuring 2. 85 inch compared to the Monster Exhaust's massive 5 inch outlet, the Banks system

Have you noticed the factory exhaust outlet on your L5P Duramax? The stock exhaust nozzle measures a measly 2.85" that drastically reduces exhaust flow right at the tailpipe. Upgrade your system with this 5" DPF (Diesel Particulate Filter) Back system from Banks, available in either a polished or black exhaust tip.

UP THE FLOW
With the stock exhaust nozzle measuring 2.85-inch compared to the Monster Exhaust's massive 5-inch outlet, the Banks system offers a 192% greater flow area than stock. The Monster Exhaust boasts 85% less backpressure than stock, leading to more power and increased fuel economy.

CHANGE YOUR LOOK
Duramax owners can choose from two huge patented 6.5 x 7.5-inch ob-round slash-cut exhaust tips: chrome-plated polished stainless steel or high-temp Cerakote matte black. And, unlike other brands, Banks's Cerakote black tip will not turn brown with heat.

DROP THAT HEAT
The Monster Exhaust also provides a 15% reduction in exhaust temperature two feet behind the tip during regen! The Diesel Particulate Filter (DPF) on the Duramax L5P is cleaned through regeneration in which scorching exhaust gas temperatures can last up to 20 minutes while driving. Unlike the stock Duramax exhaust, which directs a prolonged jet-like blast of super-heated exhaust gas directly at anything being towed, the Monster Exhaust is aimed out to the side of the truck. This allows ambient air to diffuse the heated gas, eliminating the risk of melting a trailer, which has been reported by many Duramax owners.
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: 12273027728

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4.3 ★★★★★
Based on 16 reviews
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Susan Y. Higgins
Chelsea, US
★★★★★ 5
Don't buy the other brands
Color: 2-Pack Black
I'd give these a 10 if I could. I bought another version but returned ii because I didn't think it was very sturdy. These were only $8 more and what a difference. They are a very well made and a lot more sturdy. The extra $8 was a real bargain and well worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
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Verified Purchase
judit klescz
Waukegan, US
★★★★★ 2
Returned the spice rack
Color: 2-Pack Black
it did not work for me as I thought.
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Reviewed in the United States on March 19, 2026
D
Verified Purchase
Denise Peralta
Battle Creek, US
★★★★★ 5
Great for short people to see and retrieve spices from upper shelf! Holds a lot of weight easily!
Color: 2-Pack Black
These spice racks were very easy to install in my cabinets. Actually, I have only used the adhesive, and they are holding all of the weight of the spices without any issue! These are remarkably heavy duty. I am short (5"3") and most of the second shelf is not really very useable without a stool. I can pull these out and turn the racks making all of them visible and easy to reach! I have two and I'm seriously considering ordering more! It makes organizing a breeze too!
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Reviewed in the United States on February 16, 2026
V
Verified Purchase
Versin Marzeena
Battle Creek, US
★★★★★ 5
Perfect!!!
Color: 2-Pack Black
Love it
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Reviewed in the United States on March 17, 2026
K
Verified Purchase
Kristine
Lake Worth, US
★★★★★ 4
Beautiful, easy assembly.
Color: 2-Pack Black
Looks great, easy to assemble. Just a little narrow, wish I would have ordered a little bit bigger size.
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Reviewed in the United States on December 5, 2025

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