Engine Hub
S55 Performance Hub
S55 is already serious from factory, but tuning, downpipes, cooling and fueling turn it into a monster very quickly.
Stock power
425 hp
Best software
Bootmod3, MHD, xHP
Compatible products
4
Stage overview
Compare upgrade levels
Click any stage card to jump straight to its full package section below.
Stock
425 hp
Factory baseline for this engine platform before tuning and bolt-ons.
Stage 1
495 hp
+70 hp / +95 tq
Fast software-led daily setup.
• ECU tune
• Intake
Jump to package
Stage 2
545 hp
+120 hp / +155 tq
Tune and downpipes transform the car.
• ECU tune
• Downpipes
• Cooling
Jump to package
Stage 3
605 hp
+180 hp / +220 tq
Fueling and cooling for harder builds.
• ECU tune
• Downpipes
• Cooling
• Fueling
Jump to package
Best upgrades
Start here for S55
ECU tune
Downpipes
Intercooler / cooling
Intake
Fueling
Stage packages
Pre-built upgrade bundles
Stage 1
Stage 1 Package
Fast software-led daily setup.
• ECU tune
• Intake
Estimated hp gain
+70 hp
Estimated torque gain
+95 tq
Stage 2
Stage 2 Package
Tune and downpipes transform the car.
• ECU tune
• Downpipes
• Cooling
Estimated hp gain
+120 hp
Estimated torque gain
+155 tq
Stage 3
Stage 3 Package
Fueling and cooling for harder builds.
• ECU tune
• Downpipes
• Cooling
• Fueling
Estimated hp gain
+180 hp
Estimated torque gain
+220 tq
Compatible parts
Products filtered for S55
Supporting mods
Recommended supporting mods
Cooling upgrades
Fresh plugs
Fueling support
High-grip tires
Customer builds