Submitted by William Knose on
Flex Fuel Kits for Cobb & Ecutek Comparison, Mk1, Mk1+, Mk2
We have had a lot of inquiry about the differences between the Flex Fuel Kits we offer. So we have taken the opportunity to make a comparison chart between our different kits. Please note the Mk2 is 100% compatible with Cobb's Stage 3 OTS tune (when released by Cobb) and also compatible with thier current Cobb Custom Features (with Flex Fuel Support) Software. That means any Cobb Protuner can tune our Mk2 kit. The Delicious Tuning Mk2 kit does offer a bit more than the benchmark Cobb Flex Fuel Kit, such as our Flex Fuel Diagnostic System (FFDS). The FFDS helps determine via notifications if any flex fuel installation issues or potential issues as the product ages and how to correct it.
* Tables / Smartphones - Landscape View Recommended
Features |
Mk1 |
Mk1+ |
Mk2 |
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| Product Flex Sensor Input | MAF/IAT Input | MAF/IAT Input | TGV/Rear O2 Input |
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| Cobb Green Speed Compatible | Yes | Yes |
No |
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| Cobb Pre-Green Speed Compatible | Yes | Yes | Yes |
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| Complete Sensor Functionality (including intake air temperature) |
Yes | Yes |
No |
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| EcuTek ProECU Compatible | Yes | Yes | Yes |
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| Easy Plug and Play Kit Installation * | Yes | Yes | Yes |
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| Includes 2008+ Subaru STI Stumble Fix | Yes | Yes | Yes |
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| Flex Fuel Mounting Hardware | Yes | Yes | Yes |
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Unique Safety Features |
- | ||
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| Fuel Pressure Monitoring | - | Yes | Yes |
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| Dynamic Engine Safety System (DESS) | - | Yes | - |
Vehicle Compatibility |
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| 02-05 Subaru WRX | Yes | Yes | - |
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| 06-07 Subaru WRX | Yes | Yes | Yes |
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| 08-14 Subaru WRX | Yes | Yes | Yes |
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| 15+ Subaru WRX | Yes | Yes | Yes (except CVT) |
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| 04-07 Subaru Forester XT | Yes | Yes | Yes (except 2004 FXT) |
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| 08-13 Subaru Forester XT | Yes | Yes | Yes |
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| 14+ Subaru Forester XT | Yes | Yes | - |
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| 04-07 Subaru STI | Yes | Yes | Yes |
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| 08-16 Subaru STI | Yes | Yes | Yes |
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| 05-09 Subaru Legacy GT | Yes | Yes | Yes |
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| 08-16 Mitsubishi EVO X | Yes |
No |
- |
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| 05-15 Mazda Miata (NC) | Yes |
No |
- |
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| 08+ Nissan GTR | Yes |
No |
Yes |
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* Mk2: Supported on Cobb Custom Features. Build to order (Rear O2 sensor input or TGV sensor input)
** Mk1: Cobb Stage Maps enhanced by Delicious Tuning
*** Mk1+: Cobb Stage Maps enhanced by Delicious Tuning
DESS - Dynamic Engine Safety System (Limp Mode Activation and Protection)
FFDS - Flex Fuel Diagnostic System (Smart Phone Application Diagnostics)
FDS - Fault Detection System (Check Engine Light Notification)
