Boosted Performance » 2003, Chevy & GMC, 6.6L Duramax

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  • (X) Year: 2003
  • (X) Make: Chevy & GMC
  • (X) Model: 6.6L Duramax

View Universal items for: 2003, Chevy & GMC, 6.6L Duramax


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Items 1-12 of 12
Description: -Power, fuel economy, and performance -Up to 135hp and 240tq gains -Preloaded tunes, plug-and-play
Item #: 66411
Condition: New
Price: $439.00

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Description: -Gain up to 15 hp & 25 lb-ft of torque -Up to 57% increase in airflow over stock intake -Quicker throttle response -Flexible bellows elbow to accommodate engine movement -Improved turbo...More Details »
Item #: 42132,42132-D
Condition: New
Price: $449.00


Description: #1 preferred digital gauge monitor 5" full-color capacitive touch screen display Performance meter measure 0-60mph, 1/4 mile, & more
Item #: 84130-3
Condition: New
Price: $462.95

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Description: -Hot-side and cold-side piping -Increase airflow -Reduce EGTs
Item #: 25976-2/25977-2
Condition: New

Description: -Lower EGTs by up to 100 degrees -30% increase in airflow -Decreased engine temps -Horsepower and torque gains
Item #: 25976/25977
Condition: New
Price: $1,469.00


Description: -Up to 225hp & 320tq power gains -5 pre-loaded tunes -Code reader and scanner
Item #: 111020000
Condition: New
In-stock, ships within 24hrs
Price: $449.99

Free Ground Shipping Within The Continental US
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Description: -Gain up to 100hp & 200 lb-ft of torque -Includes 4 preloaded tunes -Fully comprehensive monitoring and tuning capabilities -5" full-color, capacitive, touchscreen display -Wi-Fi updatable
Item #: 85400-200
Condition: New
Price: $745.95

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Description: -150-200+ degree drop in EGTs -Lower engine temps -Up to 30whp and 60wtq power gains -Increased turbo efficiency and reliability
Item #: S6005PLM
Condition: New
Price: $399.99

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Description: -T409 for better durability -150-200+ degree EGT reduction -Up to +30whp and +60wtq -Improved reliability
Item #: S6005SLM
Condition: New
Price: $549.99

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Description: -Up to 30whp and 60wtq power gains -150-200+ degree EGT reduction -Best 5" exhaust
Item #: S60210PLM
Condition: New
Price: $539.99

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Description: -Up to 30whp and 60wtq gains -Durable T409 stainless steel -150-200+ EGT reduction
Item #: S60210SLM
Condition: New
Price: $649.99

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Description: -Lower EGTs -Big HP & TQ gains -Improved turbo efficiency -Best exhaust upgrade
Item #: 117000400
Condition: New
Price: $170.99

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Items 1-12 of 12

View Universal items for: 2003, Chevy & GMC, 6.6L Duramax