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Please see the "Compatibility" link at the top of the listing and the "Fitment & Product Info" section below for Vehicle Application Fitment Information.
Although we attempt to verify fitment information with the manufacturer,
it may not be available for all products or may be incomplete at the time of this listing.
Please be sure to view the "Notes"column in the CompatibilitySection above and the full product description below for more fitment details if they are available prior to making your purchase.
If there areANY questions or concerns at all about proper fitment,
please use the "Ask Seller a Question" link for fitment questions.
Please include your vehicle's year, make, model, engine size and drive train to ensure an accurate response.
Fitment & Product Info
Brand New In the Box
Manufacturer Part #:
Free Shipping to the 48 US States!
(AK, HI, PR & INTL add. cost will apply)
Shipping Warehouse Location:
KY, ID, CA, TX
Fitment and Product Information
2001-early 2007 Chevy/GMC 6.6L Duramax 2500/3500 / All Cab & Bed Lengths KIT 4" TURBO-BACK SINGLE OFF-ROAD; 409 STAINLESS STEEL: 2001-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500
Diamond Eye's Warranty
Diamond Eye offers a 1 Year Warranty on all aluminized exhaust kits
and a6 Year Warranty on stainless kits.
A Note from the Owner:
Diamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment. Enabling us to produce the finest exhaust components in today's marketplace. Mandrel bending and fabrication parameters are extensive, and a variety of tooling allows us to offer tube processing from 3/8" to 5" OD in both aluminized and stainless steel.
Diamond Eye Manufacturing is located on a 23-acre complex and has immediate plans for expansion. Currently, the company utilizes over 60,000 sq. ft. for manufacturing components. Separate from the manufacturing facility, our Warehouse Distribution Center utilizes highly efficient shipping methods and a substantial amount of inventory to ensure rapid response times for delivering customer orders in a timely fashion.
Our new state-of-the-art Research & Development Center was established to keep pace with the ever changing automotive performance aftermarket. We have taken great care to outfit the facility with an array of testing equipment to provide our engineers with the information needed to design the best systems available.
Many of the employees here at Diamond Eye Manufacturing have several years of experience within the industry. This wealth of knowledge and experience is tapped and transformed into results. Our promise to you is simply this; we will provide you with the highest level of customer service, quality parts, and best prices available to keep you competitive!
All of us here at Diamond Eye Manufacturing would like to take this opportunity to thank you for reviewing our catalog. Please check us out on the web at www.diamondeyeperformance.com. When it comes time for you to place your next order or get a system for yourself, please keep Diamond Eye Manufacturing in mind.
Dennis F. Olson
US Domestic Shipping
Our shipping days end at 12PM Eastern Time. Your package can take 1-2 days before they ship out due to the volume of shipments we incur. In some cases, if you pay before 12PM Eastern time, we can ship same day. It all depends on where our products are when you place your order. We have warehouses all over the USA, so packages can ship from the West Coast, Midwest, or East Coast. If you are looking for more information on shipping time frames, please contact us!
Shipping costs in our ads are shipping to the 48 states only. For shipping quotes to ALASKA, HAWAII, and outside the USAcallus at 888-986-3373
Domestic Packages are shipped via UPS Ground. If you need faster service, pleasecall us at 888-986-3373
wUnderCarPartswants every customer to be completely satisfied with their order. If you aren't, our generous return policy lets you shop with confidence.
For most items we carry, we offer a60 day return period. If you aren't satisfied with your part, you can obtain an RA ("Return Authorization") number by calling 1-888-986-3373, Monday through Friday, from 8 a.m. to 5 p.m.Eastern Time. We want to know why you're returning the product, and if there's a mistake on our part, we'll do the necessary correction to guarantee your satisfaction. We'll cover return shipping costs by scheduling a time for your product to be picked up from your location and returned to us.
Items covered by this return policy should be in new condition and have all the original parts or accessories included when they are returned. Items that have been installed, but show defects in materials or workmanship, will be covered by the manufacturer's warranty. The information stated here is a guideline to ourreturn policy. If you feel your situation may fall outside of these guidelines, or if you have questions, please feel free to call us directly at 888-986-3373 tospeak with our friendly customer service agents. We're always willing to work with you to provide a fair and speedy resolution to any issue.
We always hope that you are satisfied with your purchase, but in the event that you need to return a product, we're here to help. Contact our friendly customer service people at 888-986-3373 to request a Return Authorization (RA) number. Any packages returned without prior authorization will be refused and sent back at the buyer's expense. As long as the item is in new, uninstalled condition and is not damaged or is missing parts, you will be refunded, less the original shipping costs, selling fees, and restocking fees that may apply.
If you are requesting an exchange or replacement of the product that is being returned, you will be charged for the exchange or replacement item, as applicable, and for any freight fees applicable at the time you make the request. Please contact us at 888-986-3373 for more information.
Toll Free: 888-986-3373
Normal Business Hours: 8am - 8pm Eastern Time Mon - Fri, Sometimes Saturdays
Note: If you are calling after business hours, please leave us a voice mail for we tend to come back into the office after hours and we can return your calls then.
Below is a list of warehouse locations where we source most of our products from. However, we do list in our ads which warehouses stock this product. However, if you are looking for other products, one of the warehouses below may have what you are looking for. Contact us directly so we list the item on .
Staten Island, NY
Turtle Creek, PA
Oceanside , CA
Kansas City, MO
E. Hartford, CT
St. Louis, MO
Palm Beach, FL
Mason City, IA
East Rutherford, NJ
El Paso, TX
Oklahoma City, OK
Ft. Worth, TX
South Toms, NJ
San Antonio, TX
Redford , MI
King of Prussia, PA
Bel Air, MD
New Columbia, PA
wUnderCarParts LLC is one of the top emerging online retailers of automotive parts and accessories in our day. With over 10 years of experience in the automotive replacement and aftermarket parts industry, we strive to bring you the highest quality products from the most trusted brands, all at the lowest prices guaranteed. Whether you are a dealer, end-user, off-roader, racer, hauler, or daily driver, wUnderCarParts LLC has the parts you need at the prices you want.
We are a Detroit, Michigan based company, birthplace of quality American Auto. We have expanded our supply chain to over 50 warehouses across the country in an effort to provide extremely fast and accurate shipping on every order regardless of destination location. We also strongly strive to always pay for your UPS Ground shipping when we can.;
Overall Mission Statement
Our mission is to have a company that provides the very best product in our industry and elevates the auto parts online purchasing experience in the eyes of the general public.
Mission to Our Visitors
Our mission is to bring you a well-written, interesting, accurate, and informative website that will tweak your auto parts interest, knowledge, and overall experience to make the decision process more enjoyable for you should you decide to buy.
Mission to Our Shoppers
Our mission is to offer you the lowest possible pricing on every product we endorse and to always attempt to deliver them to you free of charge and in a timely manner.
Mission to Our Staff
Our mission is to provide an environment in which you will grow, prosper, enjoy, and fulfill your potential in order to accomplish our missions to our shoppers and visitors.
Message from the Owner:
"My goal is to have wUnderCarParts.LLCbe like your Mom and Pop stores of yester years where customer service was considered the most important aspect of the business."