• Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli
  • Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Wehrli

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

Wehrli

WCF100129

$345.00 $334.65
Up to $10.35 off

Replace the restrictive crushed factory down pipe on your 2017-2025 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the DOC outlet flange behind the OEM turbo and mates with OEM exhaust system front pipe with the 4 bolt style flange connection. Black Ceramic Coated and Heat wrapped. Down Pipe includes bungs for sensors and NO tuning required to use this down pipe. WCFab piping kits and emissions compliant tuning recommended for optimum performance gains.

Wehrli Custom Fab Down Pipe, 3.5in., for 2017-2025 Duramax L5P

  • High Temp Black Ceramic Coat Finish
  • Catalyst Back - Emissions Compliant
  • 3.5" High Flow Down Pipe
  • Heat Wrap Pre-installed
  • NO TUNING REQUIRED!
  • Made in USA
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

$334.65

Does it come with a warranty?

Any products listed will have a warranty provided by the manufacturer only. Stealth Diesel is not liable for any warranty. We can assist in warranty claims but we do not provide warranty on items we dont manufacturer. Most products have a 1 year warranty. For more information on warranty, reach out to us or the manufacturer for specific warranty details.

What happens if I have an issue?

We recommend reaching out directly to the manufacturer, but we are availble to assist with any issues or concerns for troubleshooting.

How fast is shipping?

Free ground shipping will be UPS ground, typically 5-7 business days or sooner. Expidited shipping is available on in stock products only.

What's the returns policy?

Most items are returnable unopened within 30 days of purchase. A stocking fee of 20% will be deducted for all returns. Items that are non-refundable are special order, custom made, powder coated, electrical or oversize items. Return shipping is at the expense of the buyer.

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