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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Wehrli 07.5-10 GMC/Chevrolet 6.6L Duramax Stage 1 High Flow Intake Bundle Kit - WCFab GreyThe Driver (Hot) Side 3" Intercooler Pipe replaces the 2 1 2" OEM piece with a full 3" pipe. The stock part uses a reverse style bead roll design at the turbo which is prone to blowing off of the turbo under higher boost levels than stock. The 3. 5" High Flow Passenger (Cold) Side Intercooler Pipe replaces the aging and failure prone factory plastic piece with a larger and more durable, high flow, 14 ga. aluminum fabricated 3. 5" components. This part
The Driver (Hot) Side 3" Intercooler Pipe replaces the 2 1/2" OEM piece with a full 3" pipe. The stock part uses a reverse style bead roll design at the turbo which is prone to blowing off of the turbo under higher boost levels than stock. The 3.5" High Flow Passenger (Cold) Side Intercooler Pipe replaces the aging and failure prone factory plastic piece with a larger and more durable, high flow, 14 ga. aluminum fabricated 3.5" components. This part uses CNC machined flanges with double o-ring seals, comes supplied with new wire clip rings for both slip flanges, and uses an upgraded silicone hump boot with stainless steel t-bolt clamps to withstand higher boost pressures than stock to increase reliability and eliminate blown factory boots and horsepower robbing boost leaks. Finished in your choice of custom powder colors. Pairs best with emissions compliant tuning and upgraded drop in turbochargers for optimum performance gains.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2010 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 2500 HD | LTZ |
| 2007-2010 | Chevrolet | Silverado 2500 HD | WT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2010 | Chevrolet | Silverado 3500 HD | WT |
| 2007-2010 | GMC | Sierra 2500 HD | SLE |
| 2007-2010 | GMC | Sierra 2500 HD | SLT |
| 2007-2010 | GMC | Sierra 2500 HD | WT |
| 2007-2010 | GMC | Sierra 3500 HD | SLE |
| 2007-2010 | GMC | Sierra 3500 HD | SLT |
| 2007-2010 | GMC | Sierra 3500 HD | WT |
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
4.2 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Think about where your Battery is!
Color: 14AWG Wiring Harness -1 Lead
Best things about this kit are the quality, price and speed that I received it! One problem, my car's battery is on the passenger side. The only downside to this kit is that had to cut and add wiring to the lines going to the switch. I wish the kit had plugs on both long wiring bundles so they were interchangeable as I don't need the relay's wires to be as long as I need the switch's wires to be! I give the kit 5 stars anyway because for the price, you cannot go wrong here. I believe it is well-made and it worked out great for my fog lights! Very easy to install with instructions and color diagram!
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Reviewed in the United States on December 17, 2022
★★★★★ 5
Excellent product , saves time and money
Color: 14AWG Wiring Harness -1 Lead
Good parts and pre wired real time saver for the money, just wish the cables were round just like the lights, Nilight makes great products. With excellent price. Can’t go wrong with these
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Reviewed in the United States on August 10, 2025
★★★★★ 5
Wiring harness
Color: 14AWG Wiring Harness -1 Lead
Great wiring harness, used on my rzr turbo s which fit great.
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Reviewed in the United States on January 10, 2026
★★★★★ 4
Cheap and easy light bar harness
Color: 14AWG Wiring Harness -1 Lead
Worked great only issue is figuring out how the backlighting to the switch goes. Seems like it could have been a little easier
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Reviewed in the United States on March 16, 2026
★★★★★ 5
It’s no mistake I bought two.
Color: 14AWG Wiring Harness -1 Lead
Easy to use and install. The cable length is great. We have used this on our farm sxs and now on the new one. It’s no mistake that we bought two. East to wire and can be done in just a few house in the garage.
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Reviewed in the United States on April 2, 2026
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