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Diamond Eye Manufacturing 400405 Performance Diesel Exhaust Part-4in. Aluminized Performance Quiet Tone Resonator


Diamond Eye Manufacturing

Part Number

06/13/2034 4:59 AM
Sale Price


In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping


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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Diamond Eye Manufacturing 400405 Performance Diesel Exhaust Part-4in. Aluminized Performance Quiet Tone Resonator

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 and 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!

Products specifications


Includes ends.


Sold individually.

Resonator Case Length (in)

18.000 in.

Resonator Finish


Resonator Inlet Diameter (in)

4.000 in.

Resonator Inlet Position


Resonator Material


Resonator Outlet Diameter (in)

4.000 in.

Resonator Outlet Position


Resonator Overall Length (in)

24.000 in.

Resonator Thickness (in)

5.000 in.



Easy ordering process

Good so far, hopefully the part arrives on time.

Quick N easy

Just ordered so I’m not sure yet. Free shipping is why I left 4 stars. Once I receive my item I will update my review.

Great product works fantastic w/super fast shipping and super great price!! Thanks!!!

Fast and great service

Awesome site will probably use it more


Exactly what I wanted at a Great price.

Site was user friendly. Shipping was quick. The pricing was the best I could find

Fast. Quality . Low price

Thanks, that was easy

As always, Autoplicity is amazing to deal with! Prices are excellent, and availability is great!

Easy, quick, convenient. What else could i ask for? Nothing! Thanks guys.


thanks for making it so easy to find my part

Amazing shipping and low prices

Easy navigation and simple to find my parts.. Second time I've ordered from you guys and it's been great so far

Excellent place to deal with. I am a returning customer and love the fast shipping!!

They had what I need, and good price, fair shipping and came in 3 days to my house. The box was wrapped very nicely, would definitely buy from them again.

I like how fast they ship and they have great prices. I will shop Autoplicity again. Thanks Guys

The price is right but shipping cost is high. I bought a transmission seal for $12.91 and shipping was $13.31. The box it shipped in was about 10 times bigger than the part itself. Reduce the box and reduce my shipping cost please ! Else than that the part was in good condition, it was packed right and shipping time was reasonable.

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