4" CAT Delete Pipe Chevy/GMC Duramax Diesel LMM 07-10

$ 149.00
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This 4" CAT delete pipe for the 07-10 LMM Duramax, bolts directly to the factory or aftermarket up-pipe which bolts to the turbocharger. Installing this CAT delete pipe will eliminate the diesel oxidation catalyst / catalytic converter. You will need to re-use the v-band clamp that is currently being used to fasten the downpipe to the up-pipe. At the other end it's secured using a 4 bolt laser cut flange. This CAT delete pipe will fit all Chevy Silverado & GMC Sierra 2500/3500 bed & cab configurations. Installation takes approx. 1hr, with no cutting required. Choose between aluminized steel and T409 stainless steel. Aluminized steel is our best seller and the most popular. However, we suggest the stainless upgrade for those who regularly operate there truck on salted winter roads. Removal of the CAT involves removing and eliminating emission related sensors. Because of this, when installing a CAT delete pipe it must also be used with a tuner that can delete the DPF. The H&S Mini Maxx is our most popular tuner for the LMM. Expect to increase fuel mileage 3-4 mpg. More or less depending on the current state of your catalytic converter. Typically we see around 18-19 mpg combined mileage, when both the DPF & CAT are deleted. There's a 1 year warranty for aluminized & 6 year warranty for stainless. Don't waste your time with the china knock-offs. Install this quality; Made in the USA CAT delete pipe. We've installed & tested every CAT delete pipe available for the 07-10 6.6 LMM Duramax.

  • Expedited shipping unavailable; UPS or FedEx ground shipping only
  • Exhaust built to order, ships in 3-5 days
  • Not legal for sale in California
  • Orders placed by 2pm PST will ship same day. Unless otherwise back-ordered. In which case you will be notified. We offer free regular ground shipping on orders shipped to the lower 48 states. Expedited shipping is also available. Call for details. We use multiple shipping methods. FedEx, UPS & USPS are the primary shipping methods used. Heavier items ie. exhaust systems, can not be shipped to a PO box. We operate out of Maple Valley, WA. However, we do have relationships with several wholesale distribution companies across the country who ship on our behalf. Depending on the particular part, you order may ship directly from us, the manufacture or a wholesaler. We do our best to ship from the closest location. Tracking information will be provide within 24hrs. If you ordered multiple items they will most likely arrive on different days, possibly different shipping companies. For your protection and ours; if your item is $500 or more it will be shipped with signature required, no exceptions. If your unable to be present at time of delivery you can leave a note requesting the packaged be left at the door. FedEx & UPS at there sole discretion reserve the right to accept or decline this in lieu of a signature. Shipping to Canada is available upon request. Contact us for details. International shipping other then Canada is not available at this time. For international orders; duties & taxes are not included and are your responsibility. Additional shipping charges apply for Alaska & Hawaii. Contact us for shipping quote.
    Returns must be made within 30 days of delivery. All items must be un-opened or brand new resell-able condition. Original shipping costs will be deducted from refund given.
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