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Turbosmart
Turbosmart for Porsche
Turbosmart is a leading global brand in turbo technology with a humble beginning and a clear purpose. Our engineers build and rigorously test all our Porsche products in-house, ensuring we constantly produce the highest quality blow-off valves and wastegates for both track and street applications. As a result, our products are trusted by high-performance drivers worldwide for their reliability and durability. With a continued commitment to excellence, Turbosmart is well-positioned to lead the future in turbo technology
A Quick Look at Turbosmart
Turbosmart information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.
Choosing the Right Fit for Your Porsche
Where Turbosmart is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Typical reasons people replace these parts include fixing boost creep, improving boost response, and addressing boost control issues such as leaking or sticking valves.
- Common symptoms that prompt inspection include overboost/underboost codes, flutter, slow spool, inconsistent boost, and issues linked to vacuum leaks or incorrect spring/preload selection.
- Before changing parts, pressure-test the intake/boost system, check for vacuum and boost leaks, and route hoses away from heat sources using quality, heat-rated hose.
- Match the valve type (blow-off or diverter/recirculation) and spring/preload to the engine management strategy and target boost to avoid unstable boost or drivability issues.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Engine Rebuild Parts — Engine rebuild parts are typically changed during a planned rebuild or when symptoms point to internal wear such as loss of compression, heavy oil consumption, persistent leaks, or abnormal noises. While the engine is apart, many Porsche owners renew chains, guides, bearings, gaskets, seals, and hardware in one go to improve long-term reliability and reduce the need for future strip-downs.
- Before committing to a rebuild, carry out compression and leak-down tests, inspect bores with a scope where possible, and examine the oil and filter for metallic debris.
- Plan to replace hard-to-access wear items “while you’re in there” so the refreshed engine is reliable once reassembled.
Turbo Chargers / Intercoolers & Parts — Turbocharger and intercooler components are replaced when there is loss of boost, smoke, oil contamination in pipework, or confirmed boost leaks, and are often upgraded to improve charge cooling and support stable boost. On Porsche turbo engines, keeping boost control hardware, intercoolers, and associated hoses in good condition is key to consistent performance and reliability.
- If you notice siren-like noises, low power, or fault codes for overboost/underboost, pressure-test the system to distinguish between boost leaks and turbo wear.
- Consider renewing oil feed/return lines and seals when major turbo work is carried out, to protect new or upgraded components.
Engine Tuning — Engine tuning parts are chosen to improve drivability, throttle response, power delivery, or to support hardware changes such as intake, exhaust, or forced-induction upgrades. For Porsche engines, tuning is usually carried out once the underlying mechanical condition is confirmed to be healthy so that calibration changes build on a solid baseline rather than masking faults.
- Before tuning, check compression/leak-down, confirm there are no boost or vacuum leaks, and review sensor and fueling data to ensure the engine is ready for additional load.
- Remember that tuning cannot fix mechanical issues; address misfires, flat spots, or poor idle at the hardware level first, then refine with calibration.
Turbo Chargers — Turbochargers are renewed or upgraded when there is excessive shaft play, oil seal failure, damaged wheels, or when higher power is desired with appropriate supporting modifications. In Porsche applications, turbo health is closely linked to oil quality, oil supply, and temperature management, so replacement often goes hand in hand with checking or refreshing related systems.
- When fitting a new or rebuilt turbo, clean the intake and exhaust paths, replace gaskets, and follow any run-in or priming procedures recommended by the manufacturer.
- Inspect and, where advised, replace oil feed and return lines to avoid restrictions that could damage the new unit.
Explore Turbosmart at Design911
View the current Turbosmart range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
This is for a Pair

Porsche 996 911 Turbo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt-on replacement for the factory part, the Porsche IWG is easy to install and requires no special tools or fabrication. We've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.
Important legal notice (US)
WARNING - Proposition 65 Compliance Statement:
It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Important Emissions Note:
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.
- Porsche 996 TURBO 2000-05
SET OF 2

Porsche 996 911 Turbo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt-on replacement for the factory part, the Porsche IWG is easy to install and requires no special tools or fabrication. We've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.
Important legal notice (US)
WARNING - Proposition 65 Compliance Statement:
It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Important Emissions Note:
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.
- Porsche 996 TURBO 2000-05

The Porsche 996 GT2 Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt-on replacement for the factory part, the Porsche IWG is easy to install and requires no special tools or fabrication. We've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.
Important legal notice (US)
WARNING - Proposition 65 Compliance Statement:
It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Important Emissions Note:
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.
- Porsche 996 GT2 2001-05

The Porsche 996 GT2 Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt-on replacement for the factory part, the Porsche IWG is easy to install and requires no special tools or fabrication. We've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.
Important legal notice (US)
WARNING - Proposition 65 Compliance Statement:
It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Important Emissions Note:
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.
- Porsche 996 GT2 2001-05

The Porsche 993 Turbo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt-on replacement for the factory part, the Porsche IWG is easy to install and requires no special tools or fabrication. We've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.
Important legal notice (US)
WARNING - Proposition 65 Compliance Statement:
It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Important Emissions Note:
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97

The Porsche 993 Turbo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt-on replacement for the factory part, the Porsche IWG is easy to install and requires no special tools or fabrication. We've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.
Important legal notice (US)
WARNING - Proposition 65 Compliance Statement:
It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Important Emissions Note:
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97