
99-03 Ford 7.3L Powerstroke Aluminized Diamond Eye 4 Inch Exhaust System Kit
$538.53
- Part Number: K4321A-RP
- Est. Ship Time: Contact to Confirm Availability

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Starting From $405.23
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Warranty on Aluminized kits
*6-Year Limited Warranty on Stainless Steel Kits
*Made in the USA
K4320A-RP - FOR 1999, 2000, 2001, 2002 & EARLY 2003 - FORD 7.3L POWERSTROKE DIESEL F250/F350 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - TURBO BACK DUAL - NO MUFFLER
Part Number: K4321A-RP
Superseded Part Number: K4320A-RP

Tags:
99-03 Ford 7.3L Powerstroke Aluminized Diamond Eye 4 Exhaust System Kit
, K4321A-RP
, Exhaust Systems
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 ..
$527.76
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$601.29
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$758.15
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$405.23
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..
$540.03
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$662.58
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$601.29
6 Inch Stainless Bolt-On Exhaust Tip
304 Stainless Steel
5 Inch Inlet, 6 Inch Outlet, 12" Long
Bolt-On Rolled Angle
Diamond Eye Perfo..
$95.97
Product Unavailable (Updated 9-23-24)
This item was replaced with a new system and the year range fitment changed. Click here to view the S60210..
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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..
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Weld-On Tip
Pypes: EVT406 Picture for representation only.Warning: These tips are NOT recommended for your little Honda hatchback (even though we kn..
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Flo Pro 4 Inch Inlet, 7 Inch Outlet, 15 Inch Length
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A WHOLE NEW ATTITUDEPure Diesel Power is proud to offer the All New line of Edge tuners. The Juice with Attitude CTS2, Evolution CTS2, and Insight CTS..
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Weld-On Tip
Pypes: EVT408 Picture for representation only.Warning: These tips are NOT recommended for your little Honda hatchback (even though we k..
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For 99-2016 Ford F250-F550 trucks with the 5 cab roof lights.
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An ultra high precision digital gauge engineered for diesel applications but also perfect on higher boost gasoline engines. Using Auto Meter’s advance..
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The S&B Filters 75-5062 Cold Air Intake Kit for your 1999-2003 Ford 7.3L Powerstroke provides your truck with increased airflow, efficiency and po..
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Single Gauge Partial A-Pillar Mount Fits 1 2 1/16" Gauge. For 1999-2006 Ford Super Duty Trucks Autometer #15307..
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Round-15 Degree Rolled Edge - TRUCK, SUV, LARGE TIPSMaterial: 100% Stainless Steel - Mirror FinishDiameter: 5in.I.D. Inlet: 4in.Length: 8in.Features a..
$108.00
Rolled-Edge Exhaust Tip12" Length4" Inlet5" OutletAngle Cut TipDifferent Trend: BQ9-405012RBK..
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Benefits from removing the EBPV entirely in the 7.3 Powerstroke can free up power and stop the EBPV leak permanently. This 7.3 EBPV delete kit contain..
$199.00
Remove the final restriction to power. Banks Power Elbow assembly slashes the stock outlet and pipe backpressure by 40%. Available separately or with ..
$329.00
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 6/3/2025)
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Dir..
$478.75
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$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
..
$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
*Agressive So..
$558.76
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Di..
$464.52
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$360.99
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$444.94
Fits: 1994-1997 Ford 7.3L Powerstroke Stainless, 4-inch constant-diameter pipes, and straight-through muffler outflow stock. Virtually eliminates..
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1994-1997 7.3L F250-F350 Powerstroke Automatic equipped trucks. May fit manual trucks with modifications.
Turbo Back, Single Side Off-Road (Al..
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WILL NOT WORK ON MANUAL TRANSMISSION TRUCKS.
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direc..
$478.75
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
$478.75
Fits 1999-2003 Ford 7.3L Powerstroke Diesel F250 & F350 trucks.
Turbo Back, Single Side
KEY FEATURES:
# Delivers a rich, mellow e..
$664.99
Fits 1999-2003 Ford 7.3L Powerstroke Diesel F250 & F350 trucks.
KEY FEATURES:
Delivers a rich, mellow exhaust note
Installs with comm..
$484.99
The aluminized MBRP exhaust systems, offered by Pure Diesel Power, are produced using top quality mandrel bent aluminized steel exhaust components for..
$644.99
Fits 1999-2003 Ford 7.3L Powerstroke Diesel F250 & F350 trucks.
KEY FEATURES:
Delivers a rich, mellow exhaust note
Installs with common ha..
$544.99
1999-2003 Ford F-250/350 7.3L, all models
5" Turbo Back, Single Side Exit, No Muffler, AL
S62220PLM
1999-2003
Ford F-250/350 7.3L Powerst..
$604.99
1999-2003 Ford
5" Turbo Back, Off Road, Single, No Muffler, T409
S62220SLM
1999-2003
Ford F-250/350 7.3L Powerstroke
5" Turbo Back,..
$724.99
1999-2003 Ford F-250/350 7.3L, all models5" Turbo Back, Single Side Exit, T409
S62220409 1999-2003 Ford F-250/350 7.3L Powerstroke 5" Turbo Back, Of..
$1,029.99
Complete Turbo Back Exhaust System with Stainless Welded Hangers
The MBRP XP exhaust systems offered by Pure Diesel Power are produced using top qual..
$804.99
This aFe turbo-back exhaust systems enhance smooth airflow from the exhaust tip all the way to the turbo. Stainless Steel construction provides a long..
Starting From $865.00
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 60512. With features including free-flowi..
$675.00
K4332A - FOR 2001 & 2002 - FORD 7.3L POWERSTROKE DIESEL EXCURSION - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - TURB..
$429.72