Product Description
DIAMOND EYE 361045 is a 4.0" T409 stainless exhaust flange (4-bolt adapter plate) engineered for 2001–2007.5 Chevy/GMC Silverado & Sierra 2500/3500 6.6L Duramax (LB7/LLY/LBZ). It provides a secure 4-bolt connection with a 4" slip-fit outlet for leak-resistant sealing and long service life.
FAQ: WILL THIS FIT MY DURAMAX?
Yes—this adapter is designed for 2001–early 2007 (2007.5) Silverado/Sierra 2500/3500 6.6L Duramax applications that require a 4-bolt exhaust flange with a 4" outlet. Always confirm your downpipe/front-pipe interface before ordering.
FAQ: WHAT DOES T409 STAINLESS MEAN?
T409 stainless offers excellent heat and corrosion resistance for daily-driven trucks in harsh climates, making it a durable upgrade over aluminized steel.
FAQ: DO I NEED A GASKET?
Most 4-bolt flange joints seal with the provided clamping load and proper alignment. Clean mating surfaces and torque fasteners evenly in a cross pattern.
Fitment Details
- Vehicle: 2001–2007.5 Chevy/GMC Silverado & Sierra 2500/3500 HD, 6.6L Duramax (LB7/LLY/LBZ)
- Connection: 4-bolt flange to 4.0" slip-fit outlet
- Series: Diamond Eye Performance Series
- Material: T409 Stainless Steel
Cross-Reference / Related Diamond Eye Items
- Aluminized equivalent: DIAMOND EYE 321045
- Front section tail pipe (01–07.5): DIAMOND EYE 321051
- Second section tail pipe (01–07.5): DIAMOND EYE 321052
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| Part Number (MPN) | 361045 |
| Material | T409 Stainless Steel |
| Connection | 4-bolt flange to 4.0" slip-fit outlet |
| UPC | 841963115932 |
| GTIN | 0841963115932 (UPC-A) |
| Vehicle Fitment | 2001–2007.5 Silverado/Sierra 2500/3500 6.6L Duramax (LB7/LLY/LBZ) |
| Shipping Weight | ≈ 2 lb (Small-parcel ground) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
