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A compound turbo kit is an aftermarket modification for turbocharged engines that enhances their performance by utilizing two turbochargers in a specific configuration. This setup, commonly known as a compound turbo system, aims to maximize power output and torque while maintaining efficient engine operation.
Compound turbo kits offer several advantages, including improved overall engine performance, increased power across a wider RPM range, and reduced turbo lag. The sequential arrangement of the turbos allows for efficient utilization of exhaust energy, maximizing power delivery and minimizing turbo spool time.
ATS 5.9 Cummins Aurora 3000/5000 Compound Turbo System | 1994-1998 Ram Cummins 5.9L 12V
New
Item #: 202-A35-2164
ATS Diesel Performance
USD
5379.50
Item #: 202-A35-2164
Condition:
New
ATS 5.9 Cummins Aurora 3000/5000 Compound Turbo System | 1998.5-2002 Ram Cummins 5.9L
New
Item #: 202-A35-2218
ATS Diesel Performance
USD
5379.50
Item #: 202-A35-2218
Condition:
New
ATS 5.9 Cummins Aurora 3000/5000 Compound Turbo System | 2003-2007 Ram Cummins 5.9L
New
Item #: 202-A35-2272
ATS Diesel Performance
USD
5379.50
Item #: 202-A35-2272
Condition:
New
ATS 5.9 Cummins Aurora 4000/7500 Compound Turbo System | 2003-2007 Ram Cummins 5.9L
New
Item #: 202-A47-2272
ATS Diesel Performance
USD
6039.25
Item #: 202-A47-2272
Condition:
New
ATS 5.9 Cummins Aurora Plus 5000 Turbo System | 2003-2007 Ram Cummins 5.9L
New
NOTE: ATS recommends the use of head studs with this turbo kit
Item #: 202-A52-2272
ATS Diesel Performance
USD
3857.00
Description: NOTE: ATS recommends the use of head studs with this turbo kit
Item #: 202-A52-2272
Condition:
New
ATS 5.9 Cummins Aurora Plus 7500 Turbo System | 2003-2007 Ram Cummins 5.9L
New
Item #: 202-972-2272
ATS Diesel Performance
USD
3857.00
Item #: 202-972-2272
Condition:
New
ATS 6.7 Cummins Aurora Plus 5000 Turbo System | 2007.5-2009 Ram Cummins 6.7L
New
Item #: 202-952-2326
ATS Diesel Performance
USD
3857.00
Item #: 202-952-2326
Condition:
New
ATS 6.7 Cummins Aurora Plus 5000 Turbo System | 2010-2012 Ram Cummins 6.7L
New
Item #: 202-952-2356
ATS Diesel Performance
USD
3857.00
Item #: 202-952-2356
Condition:
New
ATS 6.7 Cummins Aurora Plus 5000 Vortex Turbo System | 2013-2018 Ram Cummins 6.7L
New
Item #: 202-952-2392
ATS Diesel Performance
USD
4263.00
Item #: 202-952-2392
Condition:
New
ATS 6.7 Cummins Aurora Plus 6000 Turbo System | 2010-2012 Ram Cummins 6.7L
New
NOTE: Aftermarket intercoolers with 3.5" ports will require part number 202-026-2272
Item #: 202-962-2356
ATS Diesel Performance
USD
4060.00
Description: NOTE: Aftermarket intercoolers with 3.5" ports will require part number 202-026-2272
Item #: 202-962-2356
Condition:
New
ATS 6.7 Cummins Aurora Plus 6000 Turbo System | 2013-2018 Ram Cummins 6.7L
New
Item #: 202-962-2392
ATS Diesel Performance
USD
4770.50
Item #: 202-962-2392
Condition:
New
ATS 6.7 Cummins Aurora Plus 7500 Turbo System | 2007.5-2009 Ram Cummins 6.7L
New
Item #: 202-972-2326
ATS Diesel Performance
USD
3857.00
Item #: 202-972-2326
Condition:
New
ATS 6.7 Cummins Aurora Plus 7500 Turbo System | 2010-2012 Ram Cummins 6.7L
New
Item #: 202-972-2362
ATS Diesel Performance
USD
3857.00
Item #: 202-972-2362
Condition:
New
ATS Ford 6.7 Powerstroke Aurora Plus 6000 Turbo System | 2017-2019 Ford Powerstroke 6.7L
New
Item #: 202-962-3440
ATS Diesel Performance
USD
8777.08
Item #: 202-962-3440
Condition:
New
BorgWarner Navistar Maxxforce 7 High & Low Pressure Turbocharger Set EPA10 | 11559880048 + 12749880078 | Navistar Maxxforce 7 6.4L
New
Cross Reference HIGH PRESSURE Turbo:
04330035, 1155-970-0050, 1155-988-0048, 1155-988-0050, 1155-990-0048, 1155-990-0050, 11559700050, 11559880048, 11559880050, 11559900048, 11559900050, 170-070...
Item #: 11559880048r+78
BorgWarner
USD
2695.95
Description: Cross Reference HIGH PRESSURE Turbo:
04330035, 1155-970-0050, 1155-988-0048, 1155-988-0050, 1155-990-0048, 1155-990-0050, 11559700050, 11559880048, 11559880050, 11559900048, 11559900050,...
More Details »
Item #: 11559880048r+78
Condition:
New
Price: $2,720.00
Sale: $2,695.95
Save: 1%
Save: $24.05
BorgWarner Navistar Maxxforce 7 High & Low Pressure Turbocharger Set EPA10 | 11559880048, 11559900048 + 12749880078, 12749900078 | Navistar Maxxforce 7 6.4L
New
Cross Reference HIGH PRESSURE Turbo:
04330035, 1155-970-0050, 1155-988-0048, 1155-988-0050, 1155-990-0048, 1155-990-0050, 11559700050, 11559880048, 11559880050, 11559900048, 11559900050, 170-070...
Item #: 11559880048r+78
Freedom Injection
USD
2195.95
Description: Cross Reference HIGH PRESSURE Turbo:
04330035, 1155-970-0050, 1155-988-0048, 1155-988-0050, 1155-990-0048, 1155-990-0050, 11559700050, 11559880048, 11559880050, 11559900048, 11559900050,...
More Details »
Item #: 11559880048r+78
Condition:
New
Price: $2,420.00
Sale: $2,195.95
Save: 9%
Save: $224.05
Ford 6.4L Powerstroke BorgWarner Turbocharger Set | High & Low Pressure | 479514 | 2008-2010 Ford Powerstroke 6.4L
New
Cross Reference
179514
1848300C92
1848300C93
1848300C94
1848300C95
1848300C96
1848300C97
1848300C98
8C3Z6K682CRM
8C3Z6K682CRM
8C3Z9J559ARM
Item #: 479514rx
Freedom Injection
USD
1295.00
Description: Cross Reference
179514
1848300C92
1848300C93
1848300C94
1848300C95
1848300C96
1848300C97
1848300C98
8C3Z6K682CRM
8C3Z6K682CRM
8C3Z9J559ARM
More Details »
Item #: 479514rx
Condition:
New
Maryland Performance Ford 6.7 Powerstroke Compound Turbo Kit | 2017-2019 Ford Powerstroke 6.7L
New
Item #: MPD-67-PSD-1719-CTK
Maryland Performance Diesel
USD
4799.00
Item #: MPD-67-PSD-1719-CTK
Condition:
New
Maryland Performance Ford 6.7 Powerstroke Compound Turbo Kit | 2020-2021 Ford Powerstroke 6.7L
New
Item #: MPD-67-PSD-2020-CTK
Maryland Performance Diesel
USD
4799.00
Item #: MPD-67-PSD-2020-CTK
Condition:
New
PDI 11-19 Cummins ISX Compound Turbo Kit with 1.45AR | 715895-45 | 2011-2019 Cummins ISX
New
Available for: Cummins ISX CM2250/2350/X15
Warranty: 1 Year Unlimited Mile Warranty
Item #: 715895-45
PDI
USD
7500.00
Description: Available for: Cummins ISX CM2250/2350/X15
Warranty: 1 Year Unlimited Mile Warranty
Item #: 715895-45
Condition:
New
PDI Big Boss Caterpillar Compound Turbo Kit | 1994-2003 Caterpillar 3406E / C15
New
Fitment: 1994-2003 Caterpillar 3406E & C15 Engines
Warranty: One Year, Unlimited Mile Warranty
Not CA Compliant
Item #: 141071654801
PDI
USD
10850.00
Description:
Fitment: 1994-2003 Caterpillar 3406E & C15 Engines
Warranty: One Year, Unlimited Mile Warranty
Not CA Compliant
Item #: 141071654801
Condition:
New
PDI Big Boss Cummins ISX & X15 Compound Turbo Kit | 715895-15 | 2010-2020 Cummins ISX
New
Available for: Cummins ISX/X15
Warranty: 1 Year Unlimited Mile Warranty
NOT CA Compliant
Item #: 715895-15
PDI
USD
6850.00
Description: Available for: Cummins ISX/X15
Warranty: 1 Year Unlimited Mile Warranty
NOT CA Compliant
Item #: 715895-15
Condition:
New
PDI Big Boss Stage 3 Upgrade for Cummins X15 & ISB | 715773 | 2010-2022 Cummins X15 & ISB
New
Multi-part Kit
Item #: 715773
PDI
USD
11090.00
Description: Multi-part Kit
Item #: 715773
Condition:
New
PDI Cummins Big Boss Compound Turbo Kit | 2010-2020 Cummins ISX / X15
New
Available for: Cummins ISX & X15
Warranty: 1 Year Unlimited Mile Warranty
Item #: 141715895041
PDI
USD
6850.00
Description: Available for: Cummins ISX & X15
Warranty: 1 Year Unlimited Mile Warranty
Item #: 141715895041
Condition:
New
The compound turbo kit consists of two turbos: a smaller turbo, known as the "low-pressure" or "spooling" turbo, and a larger turbo, referred to as the "high-pressure" or "boosting" turbo. These turbos work together to deliver increased air intake and improved combustion efficiency.
The low-pressure turbo, usually a smaller unit, is responsible for providing rapid response at lower engine speeds. It quickly spools up to generate boost pressure and supply compressed air to the high-pressure turbo. By effectively scavenging exhaust gases from the engine, the low-pressure turbo helps reduce turbo lag and improves throttle response.
The high-pressure turbo, typically larger in size, handles the majority of the boost generation. It takes the compressed air from the low-pressure turbo and further compresses it before delivering it into the engine's intake system. This combination of turbos enables higher boost pressures and increased airflow, resulting in enhanced power and torque output.
However, installing a compound turbo kit requires careful consideration of various factors such as engine compatibility, fueling system modifications, and tuning adjustments. It is essential to ensure that the engine internals, such as pistons, connecting rods, and head gaskets, are capable of handling the increased boost pressures and power levels.