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Diamond Eye Manufacturing 400040 Exhaust Adapter 3.5 In. to 4 In. ID

Manufacturer

Part Number

400040
Sale Price

$27.19

Estimated ship date Saturday, November 28

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Diamond Eye Manufacturing 400040 is a precision-engineered exhaust adapter designed to transition from 3.5-inch inner diameter (ID) exhaust tubing to 4-inch ID tubing. This adapter is essential for custom exhaust installations where different pipe diameters need to be connected seamlessly.

Key Features:

  • Expands from 3.5-inch ID to 4-inch ID for smooth exhaust flow transition
  • Constructed from heavy-duty aluminized or stainless steel for corrosion resistance
  • Precision-formed construction ensures proper fit and seal
  • Compatible with Diamond Eye exhaust systems and universal exhaust applications
  • Ideal for diesel trucks, performance vehicles, and custom exhaust builds

This adapter allows you to mix and match exhaust components of different sizes while maintaining optimal exhaust flow and system integrity. Perfect for upgrading exhaust systems or creating custom exhaust configurations on trucks, SUVs, and performance vehicles.

Found the part I was looking for!

Fast service

Very simple and easy.

Quick and easy order placement and check out using PayPal.

Best price by far !

Pleased

Got what I needed no issues

I received the order in good condition.

I had a great experience with this company and the order and the company that finance professionals done

Easy to navigate and find part needed Good Price !

Great pricing, free shipping, and great product!!! What we got was better than OE for 1/5 the price! Thank you!

Good prices so far

easy shopping.

fast shipping great price<br>great seller i recommend it 100% percent<br><br>

well planned out site!

FAST AND RELIABLE

i was skeptical about this site but after reading the reviews and them having the lowest price i could find for my part i pulled the trigger and wasn't disappointed. fast shipping and low prices with great customer service will shop with them again if they have what im looking for.

No issues at all and a very good price to boot. What could be better? Will definitely order from them again.

Awesome customer service and very good pricing!

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