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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
MagnaFlow Down-Pipe 06-07 GM Diesel 6.6LThe MagnaFlow Turbo Downpipe 15399 is a 4in. diameter mandrel bent stainless steel pipe designed to connect near your turbocharger and i's weight optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended. This Part Fits: Year Make Model
The MagnaFlow Turbo Downpipe 15399 is a 4in. diameter mandrel bent stainless steel pipe designed to connect near your turbocharger and i's weight-optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LT |
| 2004-2006 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2006 | GMC | Sierra 2500 HD | SLE |
| 2001-2006 | GMC | Sierra 2500 HD | SLT |
| 2003-2006 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | 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 20 reviews
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Product Reviews
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Not to thick or thin well made
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
I bought pink so as not to lose when doing laundry with my daughter who steels all socks lol!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Perfect
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
They were perfect
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Very Comfortable!
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
Very comfortable. Don’t slip off back of heal. Love the colors.
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Reviewed in the United States on March 25, 2026