



89-93 Dodge 5.9L Cummins 2x4 Diamond Eye 4 Inch Downpipe
$163.18
- Part Number: 220099
- Est. Ship Time: Contact to Confirm Availability

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Starting From $504.76
4 Inch, Aluminized
Bolts on to the stock turbocharger.
Diamond Eye: A220099
IMPORTANT NOTE: Due to varying laws and regulations, most Diamond Eye exhaust systems & components cannot ship to California. Take a look at our product selection for alternatives from other manufacturers if you are in California. If you have any questions about other options, please give us a call or send us an e-mail, we'd be happy to help.

This is an AFTERMARKET piece, it may not be a direct replacement in a stock exhaust system. One end is ID, the exhaust exit side is OD.
There are ..
$69.38
4 Inch, Aluminized
Bolts on to the stock turbocharger.
Diamond Eye: A220099
IMPORTANT NOTE: Due to varying laws and regulations, mo..
$163.18
DODGE 5.9L CUMMINS DIESEL 2500/3500 (ALL CAB AND BED LENGTHS - 4x4 APPLICATIONS ONLY)
4" ALUMINIZED - PERFORMANCE DIESEL EXHAU..
$200.16
DODGE 5.9L CUMMINS DIESEL 2500/3500 (ALL CAB AND BED LENGTHS - 2x4 APPLICATIONS ONLY)
4" ALUMINIZED - PERFORMANCE DIESEL EXHAU..
$174.44
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$504.76
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$602.45
Backordered with No ETA (Updated on 3/5/2025)
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Fl..
$846.69
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$683.87
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direc..
$602.60
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direc..
$761.18
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direc..
$428.16
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direc..
$523.31
8x 60LB Valve Springs for Cummins 3.9L 4BT..
$1,103.04
BD's VE pump Fuel Pin & Governor Spring gives your 1988-1993 Cummins 5.9L powered Dodge truck a new lease on life. Not only does it give you incre..
$202.95
Overall length: 41 Inches
Only fits 4x4 trucks...
$102.65
89-93 Dodge 5.9L Intermediate Pipe 4 inch, Second intermediate section in some kits.
By Diamond Eye
Overall length: 43.75 Inches
..
$71.18
89-93 Dodge 1st Gen 5.9L Cummins DieselKiller Dowel Pin Repair Kit (KDP)
Includes:
Crank Seal
Dowel Pin Tab
TUBE OF RTV
*This pin is designed..
$79.00
FleetGuard AF4555M Replacement Air Filter for the 89-92 Dodge 2500/3500 equipped with the 5.9L Cummins Diesel.
The Fleetguard brand, defining quali..
$42.12
This 3200 rpm spring fits all VE Injection pumps on Dodges from 1989 to 1993. The spring will allow the injection pump to fuel all the way to 3200 rpm..
$19.31
If you have a modified 89-93 Dodge 5.9L Cummins truck, you already know that it is a pain to adjust the stock fuel screw.
This custom made extra-long..
$21.99
Fits 1999-2003 Ford 7.3L Powerstroke Diesel F250 & F350 trucks.
KEY FEATURES:
Delivers a rich, mellow exhaust note
Installs with common ha..
$494.99
Black Pure Diesel Power T-Shirt
Currently available in the following sizes: Small, Medium, Large, XL, 2XL, 3XL, and 4X.
Need a different s..
$17.95
KIT DOES NOT INCLUDE A MUFFLER!
Features:
*Increased Fuel Economy
*NO MUFFLER
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fi..
$515.91
94-98 Dodge 5.9L Cummins Injector Return Fuel Line
Cummins: 3926103..
$196.04
These 304 Stainless Steel T-Bolt Clamps are perfect for high pressure/high heat intake or exhaust pipe coupling.
These clamps are smooth on the insid..
$3.99
These 304 Stainless Steel T-Bolt Clamps are perfect for high pressure/high heat intake or exhaust pipe coupling.
Unlike some other t-bolt clamps av..
$3.99
These 304 Stainless Steel T-Bolt Clamps are perfect for high pressure/high heat intake or exhaust pipe coupling.
These clamps are smooth on the ins..
$3.99
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$504.76
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$428.16
Backordered with No ETA (Updated on 3/5/2025)
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Dir..
$602.45
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$523.31
Allow a 1 week lead time!
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increas..
$602.45
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
..
$411.17
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$504.76
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$428.16
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$602.45
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$602.45
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$523.31
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$708.76
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$583.55
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$333.76
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$417.19
Turbo Back, Single Side Exit Exhaust, 1988-1993 Dodge 2500/3500 Cummins 4WD(only)MBRP part number: S6150AL
- Aluminized Steel - High Flow Muffler - T..
$659.99
Turbo Back, Single Side Exit Exhaust, 1988-1993 Dodge 2500/3500 Cummins 4WD(only)MBRP part number: S6150P
- Constructed from Heavy Duty Aluminized St..
$534.99
Turbo Back, Single Side Exit Exhaust, 1988-1993 Dodge 2500/3500 Cummins 4WD(only)MBRP part number: S6150409
- T409 Stainless Steel - High Flow Muffle..
$749.99
Please note this part cannot ship to California
Turbo Back, Single Side Exit Exhaust, 1988-1993 Dodge 2500/3500 Cummins 4WD(only)
MBRP part number..
$479.99
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$602.45
KIT DOES NOT INCLUDE A MUFFLER!
Features:
*Increased Fuel Economy
*NO MUFFLER
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fi..
$515.91
Do you have a First Generation Dodge pickup? If so, the stock exhaust is probably in pretty rough shape, or fell off years ago.
Breathe new life in..
$649.99
Features: *Increased Fuel Economy *Lower EGTs *Mandrel Bent Tubing for Maximum Flow *Direct Fit *Increased Horsepower and Torque *Agressive Sound *Be..
$693.22
Features: *Increased Fuel Economy *Lower EGTs *Mandrel Bent Tubing for Maximum Flow *Direct Fit *Increased Horsepower and Torque *Agressive Sound *Be..
$602.87
K4211S - 1989, 1990, 1991, 1992, 1993 - DODGE 5.9L CUMMINS DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" 409 STAINLESS STEEL - PERFORMANCE DIES..
$693.22
K4211A - 1989, 1990, 1991, 1992, 1993 - DODGE 5.9L CUMMINS DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUS..
$0.00
K4211A - 1989, 1990, 1991, 1992, 1993 - DODGE 5.9L CUMMINS DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUS..
$515.91
Fits, Dodge 1989-1993 5.9L Cummins 2500/3500, 4x4 only. Extended/Reg Cab, Long box.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas Temper..
$761.74
Fits, Dodge 1989-1993 5.9L Cummins 2500/3500, 4x4 only. Extended/Reg Cab, Long box.
4" Mandrel bent tubing for maximum flow
With or without..
$589.78
Diamond Eye 4" stainless turbo back exhaust kit without muffler for 89-93 5.9L Cummins 4wd trucks only.
Fits all cab and bed lengths
..
$602.87