SKU: 22590894320

HSP 2IN UP PIPES (2001-2016 CHEVY / GMC)

Sale price$224.55 Regular price$249.50
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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2

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Description

HSP 2IN UP PIPES (2001-2016 CHEVY / GMC)The 031 HSP or HSP 2 Inch Replacement Up Pipes for the 2001 2004 Chevrolet and GMC Duramax offer a superior alternative to the factory components. Not only do they enhance performance, but they also mitigate common failure points. The factory Duramax Uppipes are susceptible to failure, and an up pipe failure can result in a loss of power and potential strandedness. Therefore, proactive replacement prior to failure is crucial and can significantly

The 031-HSP or HSP 2 Inch Replacement Up-Pipes for the 2001-2004 Chevrolet and GMC Duramax offer a superior alternative to the factory components. Not only do they enhance performance, but they also mitigate common failure points.

 

The factory Duramax Uppipes are susceptible to failure, and an up pipe failure can result in a loss of power and potential strandedness. Therefore, proactive replacement prior to failure is crucial and can significantly impact the vehicle’s reliability.

 

**Understanding Up-Pipe Function and Failure Points**

 

Before delving into up-pipe issues, it is essential to comprehend their role. The up-pipe channels the turbo exhaust gases, which subsequently spin the turbocharger and generate boost pressure. Unfortunately, the factory up-pipes on the Duramax trucks frequently fail, and these failures often occur at inconvenient times. The primary and most common failure point of the factory up-pipe is the bellows. These components crack, leading to leaks that escalate rapidly. Additionally, warped flanges caused by faulty gaskets that cannot be repaired due to the high temperatures persist and continue to leak.

 

**The Advantages of the HSP 2 Inch Replacement Up-Pipe**

 

In contrast, the HSP 2 Inch Replacement Up-Pipe offers distinct advantages. It addresses the aforementioned issues by providing a reliable and durable solution. The up-pipe’s robust construction ensures minimal wear and tear, reducing the likelihood of failure. Additionally, its superior design mitigates the potential for leaks and warped flanges, enhancing the vehicle’s overall performance and longevity.

 

The primary distinction between the factory up-pipe and the HSP 2-inch Replacement Up-Pipe lies in its flow characteristics. The HSP 2-inch Replacement Up-Pipe offers a significantly enhanced flow rate, resulting in increased power, torque, reduced EGTs, and improved spool-up.

 

In addition to its performance enhancements, the HSP 2-inch Replacement Up-Pipe incorporates reliability improvements. The up-pipes are constructed from heavy-wall 304 stainless steel tubing, reinforced with heavy-duty sleeved bellows. This combination ensures both exceptional performance and reliability, far surpassing the capabilities of factory components.

 

**What is Included with the HSP 2IN Replacement Up-Pipes?**

 

* 2-inch Stock Replacement Passenger Up-pipe

* 2-inch Stock Replacement Drivers Up-pipe

* Up-pipe Gasket (Turbo Side)

* Up-pipe Gasket (Manifold Side)

 

**What Does the HSP 2IN Replacement Up-Pipe Do?**

 

* LB7: 01-04 VIN Code 1

* VIN Code Identification: The 8th character of the VIN number identifies the engine code, while the 10th character denotes the year of the truck.

 

**Overview:**

 

* Enhanced Reliability

* Increased Power

* Reduced EGTs

* Improved Spool-up

* Stainless Steel Construction

* Included Gaskets

* Heavy-Duty Sleeved Bellow

 

**Warranty:**

 

* HSP No BS Limited Lifetime Warranty

 

At HSP, we are committed to the quality of our products and stand behind every item that leaves our facility. For years, we have consistently provided exceptional customer service, addressing a wide range of issues. However, we recognized the need for a more comprehensive warranty to ensure our customers’ satisfaction. Therefore, we have implemented the HSP No BS Limited Lifetime Warranty, which provides unwavering coverage for all products.

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: 22590894320

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Mos0715
Cuba, US
★★★★★ 4
Good basic tanktop
Color: White, Size: Small
The material feels really nice and soft to the touch. It’s great as a basic tank top for everyday wear, especially during hot weather. 🌤️ The fit is flattering and shapes the body well without feeling too tight. Simple, comfortable, and easy to match with anything!
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Reviewed in the United States on May 8, 2026
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Cecilia W.
Port Orchard, US
★★★★★ 5
Very flattering
Color: Royal Blue, Size: Small
I ordered four of these tops, two white, a beautiful royal blue, and the great green one . There are so many things to like about this top but they didn’t work for my needs. The fabric is a nice weight, it is form fitting but not clingy, soft and comfortable, I was looking for tops that would not expose my bra straps. The style is cut in at the shoulder which will show your straps. If that’s not an issue for you then you will love this top. Can be worn by itself, under a suit jacket or blouse. The colors are bright and flattering, perfect for spring and summer.
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Reviewed in the United States on May 27, 2026
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SONYA
Alexandria, US
★★★★★ 5
Nice Fit - Casual or Dressy Casual
Color: Black, Size: Large
The tank top is comfortable, true to size and form fitting with great length (tank runs about 3 inches past my waist). I like the look and fit so much I bought the same tank in several different colors. The tank looks great with my wide leg jeans and below the knee bubble skirt. The tank is versatile and can be worn for leisure or dressy casual creating a polished look, i.e. wear with a blazer or smart casual skirt. I watch for a discounted price as some colors may be offered at a lower price.
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Reviewed in the United States on May 21, 2026
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Brandee
Birmingham, US
★★★★★ 5
These are great tank tops!
Color: Grey, Size: Medium
I have several different colors of this top. The material is very soft. They fit true to size and can be worn either casual or dressed up.
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Reviewed in the United States on May 8, 2026
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Wanda L. Buck
Grantham, US
★★★★★ 3
High neck tank top
Color: White, Size: Medium
Very see through. I wear beige bras, the bra looked very dark through the shirts. The fit across the chest runs small in size medium and large but the large came in a long length. I’m 5’1”, the large almost came down to my thighs. I returned the medium and large. I actually like the shirt, I couldn’t get the right fit for me.
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Reviewed in the United States on May 16, 2026

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