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  • 17-19 Chevy / GMC Duramax | Full 4" or 5" DPF DEF Delete Exhaust System
  • Full Exhaust System
  • FLO-PRO / JAMO
  • Kit add-ons are found below. The more you add the more you save!
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$649.99
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VIN # & Modifications
Fuel Tank Size
Fuel Tank Size
Axel Type
Tire Size
Drivetrain
TCM / TCU Strategy Number
Tuner Serial Number
Matieral
Aluminized
T409 Stainless
Size
4 inch
5 inch
Truck Configuration
Standard Truck
Cab Chassis / Incomplete Truck
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Kit Add-ons

Click "add to kit" to add an item to your kit. The more you add the more you save! Included items can be removed from your kit by clicking the red button "remove from kit". You can only have a Full Exhaust or a DPF pipe added to a kit at a time.

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Mufflers
Straight Through Muffler
$139.99
Size

Product Details

SASQUATCH EXHAUST SYSTEMS ARE BUILD DIFFERENT

One of the biggest reasons our exhaust systems feel more solid—and hold up better long-term—is the tubing spec. We build ours with 16-gauge wall thickness (about 1.5 mm / ~0.059"), while a lot of the budget, price-point systems you see online are commonly built with thinner wall tubing and lighter hardware to cut cost.

Here’s why that matters in the real world:

1) More durable where trucks actually get abused
Thicker 16-gauge tubing is simply tougher. It’s more resistant to:

  • Dents from rocks, ice chunks, and road debris
  • Deformation during install (less “tweak it to fit”)
  • Stress fatigue around hangers and joints over time

With thinner tubing, it doesn’t take much vibration and heat cycling before you start seeing cracks at the common stress points—especially if the system isn’t braced well.

2) Better fitment and fewer headaches on install
Thicker tubing holds its shape better, which helps everything line up the way it should. On cheaper systems, thinner pipe and looser bend accuracy can show up as:

  • Hangers that don’t line up clean
  • Tips that sit crooked
  • Pipes that sit too close and rattle
  • Extra “pre-load” stress because you’re forcing it into position
    That pre-load stress is a major contributor to cracks later.

3) Stronger weld areas and less warping
Welding is where quality systems separate themselves. Thicker material gives you more margin for:

  • Consistent weld penetration (less risk of a “pretty weld” that’s weak)
  • Less heat distortion/warping, especially around junctions and flanges

On stainless systems, proper welding practices (including backpurging where applicable) also matter because it impacts corrosion resistance and long-term durability at the weld.

4) Better sealing when paired with proper flange thickness
A quality exhaust isn’t just the tubing—it’s also the sealing surfaces. Thicker, flatter flanges stay flatter through repeated heat cycles, which means:

  • Better gasket crush
  • Less chance of leaks
  • Less re-tightening and “chasing leaks” later
    Cost-down kits often save money with thinner flanges and lighter hangers, and that’s where you see more warping and sealing issues.

5) Sound quality
Thicker wall systems generally sound more “solid” and less tinny, because the tubing doesn’t ring or resonate as easily as thin-wall pipe.

Bottom line: 16-gauge isn’t marketing fluff—it’s a real spec that improves durability, fitment, weld stability, sealing, and sound. You can absolutely get good parts from anywhere if the factory is held to a strict spec, but when a system is priced dirt-cheap, the corners usually get cut in the exact places that 16-gauge (and proper build standards) protect you from.

Shipping and Returns Policy

Important Notice: Please Read Carefully

Shipping Costs
Our shipping rates apply to orders shipped within the United States and Canada.

Shipping Times

  • Air Shipping: Orders placed with air shipping by 2:00 PM EST on a business day will ship the same day.
  • Ground Shipping: Our goal is to process and ship within 24-48 hours during business days, unless your order contains custom tunes that are preloaded which may take an additional 1-3 business days to ship.

Shipping Delays
Please be aware that we are not responsible for shipping delays due to weather conditions, natural disasters, or any other events beyond our control. No refunds will be issued for delays caused by such events.

Special Shipping Information

  • Alaska and Hawaii:
    Orders shipping to Alaska and Hawaii must select 2nd Day Air. Overnight shipping may not be available for remote areas, and these locations may experience longer delivery times than stated.
  • Remote Areas:
    Some remote areas in Canada and other regions may incur additional shipping costs. If additional fees apply, we will notify you, and your order will be shipped once the extra shipping cost is paid.
  • International Shipping:
    For shipping outside the US and Canada, please contact us through our contact page for assistance.
  • Large Packages:
    All Full Exhausts, Pipes, and Air Intakes ship GROUND!

Returns Policy

  1. General Return Policy:
    Due to the specialized nature of our products, we generally do not accept returns. Most items are VIN-specific or custom-built to order.
  2. Defective Items:
    We only accept exchanges for defective items. We recommend professional installation for these items. If a product is defective and cannot be exchanged or repaired, a refund of the original purchase price will be issued upon receipt of proof of malfunction or damage.
  3. Return Exceptions:
    In certain cases, we may make exceptions for returns. If your return request is approved, a 30% restocking fee will be applied. All items must be returned in their original packaging, and return shipping costs will not be refunded.
  4. Cancellations:
    All sales are final. If you cancel your order after it has been placed but before it has shipped, a 5% processing fee will apply.
  5. Non-Returnable Items:
    Certain items, such as hard parts (e.g., EGR kits, DPF pipes/exhaust, pyro kits, throttle valve kits, exhaust tips, and intakes), are not eligible for return unless an exception is made. If an exception is granted, a 30% restocking fee will be applied, along with the cost of return shipping.

Contact Us
Before returning any items, please contact us for specific shipping instructions.

Customer Testimonials

Sasquatch Diesels transformed my truck's performance!

I recently purchased a new brake pad for my truck, and I couldn't be happier with the performance. The installation was straightforward, and the stopping power is significantly improved. Highly recommend! So what are you all up to this fine day? I really have some big questions that need to be answered.
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