Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets

Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets

$687.73
$687.73 $709.00
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Replace the lightweight 16G, leak prone, 1 5/8" OEM driver and passenger side up pipes on your 2011-2016 6.6L LML Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with this heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Improves exhaust flow which increases turbo spool-up and decreases EGT's. Excellent upgrade for hard working, heavy towing trucks or high performance applications equipped with larger upgraded turbocharger and emissions compliant tuning. Compatible with OEM style exhaust manifolds or WCFab Billet Exhaust Manifold (Part Number WCF100363). INCLUDES GASKETS! - NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary! Replaces the following GM part numbers: 12657012, 12638302, 12644640, 12650925, 12637379. Will not work with aftermarket manifolds which alter the exhaust outlet location. Not compatible with LGH Duramax Equipped Express or Savana models.

Wehrli Custom Fab Up Pipe Kit w/ Gaskets, 2in, for 11-16 LML Duramax, Stainless

  • Fully TIG Welded 11 GA Stainless Steel Construction
  • Ductile Iron Cast EGR Connection w/ EGT Sensor Port
  • Includes Up Pipe and EGR Cooler Gaskets (5pcs)
  • Compatible with OEM & WCFab Turbo Down Pipes
  • Heavy Duty 2" Passenger Side Up Pipe
  • Heavy Duty 2" Driver Side Up Pipe
  • NO TUNING REQUIRED
  • Made in USA
Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets

$687.73

  • ACHIEVING

    4.8

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    3%

    return rate

Does it come with a warranty?

Yes, most products we sell are backed by the manufacture's warranty. Warranty coverage varies by brand, so check the product listing or contact us if you have any questions before purchasing.

What happens if I don't like it?

If you're not completely satisfied, we're here to help. Eligible unused items may be returned within 30 days of delivery, subject to our return policy and applicable restocking fees.

How fast is shipping?

We process most orders within 1-2 business days. Shipping times vary by product availability and location, but most customers receive their orders within 3-7 business days after they ship.

What's the returns policy?

Returns must be requested within 30 days of purchase, Items must be new, unused, and in their original packaging. Approved returns are subject to a 30% restocking fee. Custom order, electrical, and special order items may not be eligible for return.

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