Magnaflow Performance Diesel Exhaust 2003 - 2004 Dodge 5.9L Cummins
MagnaFlow Performance Diesel Systems feature giant, fast-flowing, mandrel-bent stainless steel tubing, and polished double walled stainless steel tips. These systems incorporate mirror finished MagnaFlow Performance Mufflers with a straight-through design. They are backed by a Lifetime Warranty.

XL Performance is a mid-level diesel performance system featuring a stainless steel, matte finish straight-through MagnaFlow XL Performance Muffler along with mandrel-bent stainless steel tubing and single walled exhaust tips. They are backed by a Lifetime Warranty.

Pro Performance is Magnaflow's entry level diesel performance system featuring 100% stainless steel muffler and mandrel bent stainless steel tubing. Optional 5" tips are available seperately. Backed by a Lifetime Warranty and, like all Magnaflow products, dyno proven to make more power!
2003 - 2004 5.9L Cummins - 4" Cat-Back
  - MAG-15958
 XL Performance System
Year: 2002-2004.5
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Matte
 Style: Cat-Back
Tubing Size: 4"
Tip Size: 5"
Tip Material:Polished Single-Wall
Single/Dual: Single
Exit: Rear Side
Install Sheet:Install Sheet: Click to view.
K&N Performance Filter 98-½-02 Dodge 5.9L I-6 - K/N-571525
Price: $347.98
Sale Price: $278.38
K&N Performance Filter 03-04 Dodge 5.9L I-6 - K/N-57-1532
Price: $347.98
Sale Price: $278.38
We offer a $140.75 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $537.20   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Cat-Back
  - MAG-15957
 Magnaflow Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Polished
 Style: Cat-Back
Tubing Size: 4"
Tip Size: 5"
Tip Material:Polished Double-Wall
Single/Dual: Single
Exit: Rear Side
Install Sheet:Install Sheet: Click to view.
K&N Performance Filter 98-½-02 Dodge 5.9L I-6 - K/N-571525
Price: $347.98
Sale Price: $278.38
K&N Performance Filter 03-04 Dodge 5.9L I-6 - K/N-57-1532
Price: $347.98
Sale Price: $278.38
We offer a $201.83 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $827.20   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Cat-Back
  - MAG-17958
 Pro Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Matte
 Style: Cat-Back
Tubing Size: 4"
Tip Size:*
Tip Material:*
Single/Dual: Single
Exit: Rear Side
*Optional 5" Tip Available Separately
Install Sheet:Install Sheet: Click to view.
We offer a $155.68 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $461.05   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Turbo-Back
  - MAG-17974
 Pro Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Matte
 Style: Turbo-Back
Tubing Size: 4"
Tip Size:*
Tip Material:*
Single/Dual:Single
Exit:Rear Side
*Optional 5" Tips Available Separately.
Install Sheet:Install Sheet: Click to view.
We offer a $165.58 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $543.70   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Turbo-Back
  - MAG-15974
 XL Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Matte
 Style: Turbo-Back
Tubing Size: 4"
Tip Size: 5"
Tip Material:Polished Single-Wall
Single/Dual: Single
Exit: Rear Side
Install Sheet:Install Sheet: Click to view.
K&N Performance Filter 98-½-02 Dodge 5.9L I-6 - K/N-571525
Price: $347.98
Sale Price: $278.38
K&N Performance Filter 03-04 Dodge 5.9L I-6 - K/N-57-1532
Price: $347.98
Sale Price: $278.38
We offer a $153.66 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $607.33   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Turbo-Back
  - MAG-15968
 Magnaflow Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Polished
 Style: Turbo-Back
Tubing Size: 4"
Tip Size: 5"
Tip Material:Polished Double-Wall
Single/Dual: Single
Exit: Rear Side
Install Sheet:Install Sheet: Click to view.
K&N Performance Filter 98-½-02 Dodge 5.9L I-6 - K/N-571525
Price: $347.98
Sale Price: $278.38
K&N Performance Filter 03-04 Dodge 5.9L I-6 - K/N-57-1532
Price: $347.98
Sale Price: $278.38
We offer a $207.99 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $852.43   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Turbo-Back Dual
  - MAG-15973
 XL Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Matte
 Style: Turbo-Back Dual
Tubing Size: 4"
Tip Size: 5"
Tip Material:Polished Single-Wall
Single/Dual: Dual
Exit: Dual Rear Same Side
Install Sheet:Install Sheet: Click to view.
K&N Performance Filter 98-½-02 Dodge 5.9L I-6 - K/N-571525
Price: $347.98
Sale Price: $278.38
We offer a $220.30 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $902.89   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Turbo-Back Dual
  - MAG-15963
 Magnaflow Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Polished
 Style: Turbo-Back Dual
Tubing Size: 4"
Tip Size: 5"
Tip Material:Polished Double-Wall
Single/Dual: Dual
Exit: Dual Rear Same Side
Install Sheet:Install Sheet: Click to view.
K&N Performance Filter 98-½-02 Dodge 5.9L I-6 - K/N-571525
Price: $347.98
Sale Price: $278.38
We offer a $281.87 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $1,155.21   Click to see lower price in cart     
2003 - 2004 5.9L Cummins - 4" Turbo-Back Dual
  - MAG-17973
 Pro Performance System
Year: 2003-2004
Engine: 5.9L Cummins
Model: Ram 2500/3500
Body: CC/LB
Material: Mandrel-bent SS
Muffler Finish: Matte
 Style: Turbo-Back Dual
Tubing Size: 4"
Tip Size:*
Tip Material:*
Single/Dual: Dual
Exit: Dual Rear Same Side
*Optional 5" Tips Available Separately.
Install Sheet:Install Sheet: Click to view.
We offer a $247.10 Instant Rebate on this product!
Click below to see the lowest price available on this product.
Price: $811.38   Click to see lower price in cart     
The cornerstone of any well engineered diesel performance upgrade plan is a dyno-proven MagnaFlow Performance cat-back exhaust system. Offered in "turbo-back" "cat-back" or "downpipe-back," all Magnaflow systems are proven to make significant gains in power. This year, in limited applications, a 5-inch mandrel-bent systemis added to the lineup. All systems include a polished stainless steel, straight-through, wide open performance muffler and all the necessary hardware to complete the job like a pro.

NOTE:Some diesel vehicles are equipped with factory installed catalytic converters. Removal of a catalytic converter is prohibited by federal and state law.
To upgrade to the next level of power and performance, consider adding a K&N Filter Injection Performance Kit to your order, now available separately.

The increased airflow provided is an ideal complement to MagnaFlow's Performance Exhaust system and increases power and performance without sacrificing reliability or fuel mileage. Add one to your MagnaFlow Performance Exhaust system order and hang on. To flow more air out with a new Magnaflow exhuast you have to bring more in with a Performance Intake.

In addition, it is backed by the best warranty in the business.
For the ultimate increase in power, consider adding an Electronic Performance Tuning system, available separately from your MagnaFlow Performance Exhaust system.

These electronic enhancements install in minutes and increase power dramatically and safely by optimizing the factory settings for fueling and injection timing. Towing power is significantly increased and in many cases, over +100 extra hp and +200 extra ft/lbs of torque will be at your disposal. These products also increase fuel economy by producing more efficient engine conditions. Learn more about Diesel Tuning Today!
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