



01-04 Chevy 6.6L LB7 Duramax Diamond Eye Turbo Direct Pipe 321055
$524.18
- Part Number: 321055
- Est. Ship Time: Contact To Confirm Availability

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321055 - 2001, 2002, 2003 & 2004 - CHEVY/GMC 6.6L LB7 DURAMAX DIESEL 2500/3500 - 3" ALUMINIZED - PERFORMANCE DIESEL EXHAUST - TURBO DIRECT PIPE - CNC MACHINED PROFILE AND POCKETED FLANGE - WRAPPED WITH THERMAL HEADER TAPE TO HELP REDUCE EGT'S
Diamond Eye Performance has developed a Turbo Direct pipe for the 2001 - Early 2004 Chevy/GM 6.5L LB7 Duramax diesel exhaust systems. It features a CNC machined turbo connection flange for precise fit, 3" mandrel bent aluminized tubing for smoother flow from the turbo and is wrapped with "Thermo-Tec" exhaust insulating header wrap for reduced EGT's.
This pipe will NOT work on California trucks.

Diamond Eye Performance has developed a Turbo Direct pipe for the ’04- '010 Chevy/GM LLY, LBZ, & LMM Diesel Exhaust systems.
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321055 - 2001, 2002, 2003 & 2004 - CHEVY/GMC 6.6L LB7 DURAMAX DIESEL 2500/3500 - 3" ALUMINIZED - PERFORMANCE DIESEL EXHAUST &n..
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2001 through early 2004 LB7 6.6L Duramax diesel trucks.
Increases boost pressure from 18-20psi to 28-30psi.
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Only Auto Meter has the top quality full coverage "A" pillar gauge mounts for your 1998-2002 Dodge 1500/2500/3500 full size truck.
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01-16 Chevy 6.6L Duramax Diesel ARP Head Studs
ARP 01-16 Duramax Head Stud Kit 230-4201
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Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$405.23
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
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$347.57
Backordered with No ETA (Updated on 4/30/2025)
Features:
*Increased Fuel Economy
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*Increased Fuel Economy
*Lower EGTs
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$419.19
Allow a 1 week lead time!
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increas..
$478.75
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
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$419.19
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$405.23
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$347.57
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$478.75
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$478.75
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$419.19
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
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$558.76
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*Increased Fuel Economy
*Lower EGTs
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*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
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*Mandrel Bent Tubing for Maximum Flow
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Physical fitment.
Why consider a cheap, ill-fitting aluminized exhaust? Banks 4” Monster Exhaust is made of rugged, long-lasting 100% stainless steel..
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Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$405.23
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$347.57
Backordered with No ETA (Updated on 4/30/2025)
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$478.75
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$419.19
Fits, GM Duramax Diesel 2001-2005 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually. Exclude Suburban.
With 4 Bolt Converter Flange and Gaske..
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