Endura | ENDURA-ST3-5FFWD-01
give your Seat Leon 5F Cupra the muscle it deserves with this Stage 3 Performance Kit . This package gives you the most power per pound ! Ideal for those ready to upgrade to a serious turbocharger . Instead of squeezing the stock turbo to its limits, you replace it directly with the powerful Endura IS38 Performance Turbo , designed for maximum flow, reliability, and raw power at higher outputs.
This kit addresses all the restrictions: intake, exhaust, fuel system, cooling, and ignition. The result? Serious power gains , explosive acceleration , and an aggressive sound that will make every ride a real experience.
What makes this kit so special is that it comes complete with 12 top upgrades . No separate purchases, no worries about missing something: everything you need for a complete Stage 3 build is included.
Please note: To get the most out of this kit, a professional ECU and TCU tuner required. Without custom software, you won't be able to fully utilize the hardware and risk damage. Need help finding the right tuner? Feel free to contact us for a free consultation.
Compatibility
• Seat Leon 5F Cupra 265 / 280 / 290 / 300 / 310
• Only suitable for FWD (not for 4WD models)
Contents of the package
• Endura IS38 Performance Turbo
• Endura Turbo Muffler Delete
• Endura Turbo Inlet Elbow
• Endura Performance Air Intake 3.5″
• Endura Performance Downpipe 3.5″
• Endura Performance Intercooler
• Endura Performance LPFP Fuel Pump
• Endura HPFP Fuel Pump Upgrade Kit
• Endura Performance Ignition Coils
• NGK R7437-9 Iridium Racing Spark Plugs
• GFB DV+ T9381 Diverter Valve
• Integrated Engineering 5 Bar MAP Sensor Set
Advantages
• Fit guarantee: seamless fit, just like original
• Everything you need for a complete Stage 3 setup
• No separate purchases or missing parts
• Turbo upgrade included for extreme power
• Perfectly tuned combination of air, fuel and cooling upgrades
• Best value for Stage 3 builds
• Ready for heavy tuning and track days
Main components
Endura IS38 Performance Turbo:
Reinforced internals with dual ceramic bearings, bolt-on mounting, and a choice of 500 hp or 550 hp versions. Fast spooling and smooth power delivery.
Endura Motorsport Turbo Muffler Delete
Aluminum design for more direct turbo response and a better audible turbo sound.
Endura Motorsport Turbo Inlet Elbow
High-flow design increases airflow by 50% for sharper throttle response and up to 7 hp gains.
Endura Motorsport 3.5″ Air Intake
Increased airflow towards the turbo, up to 16 hp gain with Stage 1 tuning.
Endura Motorsport 3.5″ Downpipe
Handmade from T304 stainless steel with TIG welding, available with sport cat or decat.
Endura Motorsport Intercooler
101% larger volume than OEM, maximum cooling for setups up to 600+ hp.
Endura Motorsport LPFP Fuel Pump
Delivers 525 LPH, supports powers above 550 hp and E85 fuel.
Endura Motorsport HPFP Upgrade Kit
Increases flow by 38%, tested to 300 bar pressure.
NGK R7437-9 Iridium Racing Spark Plugs
Colder heat range, ideal for Stage 3 setups above 500 hp.
GFB DV+ T9381 Diverter Valve
Faster response and better boost control than OEM, prevents turbo flutter.
Integrated Engineering 5 Bar MAP Sensorset
Essential for higher turbo pressures in Stage 3 setups.
Frequently Asked Questions
Do I need tuning for this kit?
Yes, ECU and TCU tuning are required to safely utilize the power.
Does this kit fit all Leon Cupra models?
No, this kit is only suitable for FWD models, not for 4WD versions.
