The downpipe set without catalytic converter (decat) for the Alfa Romeo Giulia 2.9 Turbo Quadrifoglio and Stelvio 2.9 Turbo Q4 Replaces the original downpipes of the V6 biturbo block and offers maximum gas flow. Manufactured from high-quality Stainless steelSuitable for models with a high-pressure EGR system. The set includes two downpipes (left and right).
Properties
- Made from high quality Stainless steel for maximum durability and corrosion resistance
- Execution without catalytic converter for maximum gas flow in the V6 biturbo block (510 hp)
- Equipped with 2 lambda ports per pipe for correct connection of the lambda sensors
- Set of 2 downpipes (left and right) for the full V6 biturbo configuration
- Suitable for models with high-pressure EGR system
Technical specifications
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Material: Stainless steel
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Catalytic converter: None (decat)
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Lambda ports: 2 per pipe
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Pipe diameter: 76 mm
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Motor-side diameter: 71 mm
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Exhaust side diameter: 65 mm
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Suitable for: Alfa Romeo Giulia 952 2.9 Turbo Quadrifoglio (510 HP) and Stelvio 949 2.9 Turbo Q4
Contents of the set
- downpipe links without catalytic converter
- downpipe right without catalytic converter
- Mounting material
Frequently Asked Questions
Is an ECU modification required after installation?
Yes, after installation, the engine software must be adjusted to suppress error messages and ensure optimal engine calibration.
Does the set include downpipes for both turbos?
Yes, the set includes two downpipes (left and right) for the full V6 biturbo configuration of the Quadrifoglio and Stelvio Q4.
Are the lambda sensors reusable?
Yes, each pipe has 2 lambda ports, so the original sensors can be reinstalled.
