Spool Performance: Built for High Power Without Cutting Corners
29th Jun 2026
Power goals usually start with one upgrade.
Then another.
Eventually the conversation changes.
The limiting factor stops being horsepower and becomes everything around it.
Fuel delivery.
Heat.
Transmission capacity.
Airflow.
That’s the space Spool Performance built around.
Rather than focusing only on turbochargers, the lineup expands into the supporting systems that allow modern performance platforms to continue developing as builds become more ambitious.

Performance Beyond the Turbo
Spool Performance develops products across multiple categories designed to work together as output increases.
Core categories include:
- Billet manifold turbocharger systems
- High-pressure fueling upgrades
- Auxiliary fueling solutions
- Ethanol monitoring systems
- Charge pipes and airflow hardware
- Transmission upgrades and internals
- Engine and supporting drivetrain components
The goal is creating combinations that support both performance growth and long-term drivability.
Vehicle Applications
Spool Performance supports a wide range of modern turbocharged and performance platforms.
BMW
- Gen 1 B58
- Gen 2 B58
- S55
- S58
- N54 applications
Toyota
- GR Supra A90 / A91
Mercedes-AMG
- M133
- M157
- M177
- GT63 / E63 / GLE63 applications
Porsche
- 992 Turbo
- Cayenne Turbo
- Panamera Turbo
McLaren
- 720S
- 750S
- 765LT
Additional Applications
- Audi
- Volkswagen
- Lamborghini
- Infiniti
- Kia Stinger
Coverage varies depending on engine family and product category.
Built Around the Next Constraint
One of the reasons high-power builds become complicated is that increasing output reveals the next weakest point.
More airflow creates fueling demand.
More fueling creates drivetrain demand.
More traction creates transmission demand.
Spool’s catalog reflects that reality by covering the systems enthusiasts usually revisit once the first stage of modifications is complete.
Hardware for Builds That Keep Growing
Not every enthusiast is building a maximum-output car.
But the best upgrade paths leave room for what comes next.
That’s where supporting hardware becomes just as important as the headline modification.
Explore Spool Performance at XPH
At XPH, we offer Spool Performance products for enthusiasts looking to upgrade turbo systems, fueling, airflow, and supporting hardware across modern performance platforms.
Shop Spool Performance at XPH: https://x-ph.com/spool-performance/