SKU: TS-0565-1901 | UPC: 9329677032765
Turbosmart Honda MSG50 Modular StraightGate50 External Wastegate for Civic Si 2002-2015, Type R 2017-2023, RSX Type-S 2002-2006
The Turbosmart Honda MSG50 Modular StraightGate50 External Wastegate provides precise boost management with high flow efficiency for Honda turbo systems. Designed for Civic Si, Civic Type R, and Acura RSX Type-S models, it features a 50mm zero-offset butterfly valve that flows 383.9 CFM for reliable performance on street or track. This wastegate integrates seamlessly with Honda engines needing external boost control.
Key Features
- 50mm Butterfly-Style Zero-Offset Valve: Flows 383.9 CFM (10.87m³/min) with near-linear control for accurate boost across wide tuning range up to five times base spring pressure
- Vacuum-Based Pneumatic Actuator: Pre-fitted with 6 inHg spring supports single or twin-port control for simplified reliable boost operation
- Modular Design: Aluminum 6262 T6 anodized bracket with locking collar ring allows 360-degree rotation and three actuator clocking options for flexible engine bay fitment
- Durable Materials: Stainless steel 630 butterfly and shaft, 347 main body, heat-treated 431 V-band clamps, N60 linkages withstand high heat and pressure
- Spring Options: Range from 6psi to 42psi suits various boost levels in high-performance Honda turbo setups
Product Notes
- Programmable ECU and boost controller recommended for precise tuning
- Self-balancing design reduces actuator effort under high drive pressures
- Part weight 4.5 lbs (2.04 kg), shipping weight 5.5 lbs (2.5 kg)
Installation Notes
- Professional installation recommended.
- Requires adaptation for custom turbo setups or older Pro-Gate48/Power-Gate50 flanges
- Suits 2.00 inch outside diameter dump tube with included weld flanges and V-band clamps
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Honda | Civic | Si |
| 2006-2011 | Honda | Civic | Si |
| 2012-2015 | Honda | Civic | Si |
| 2017-2021 | Honda | Civic | Type R (FK8) |
| 2023+ | Honda | Civic | Type R (FL5) |
| 2002-2006 | Acura | RSX | Type S |
Why Choose Turbosmart?
- Engineered for Honda turbo applications with model-specific fitment
- High-flow straight-through design improves boost response over poppet valves
- Modular components ensure secure installation and consistent operation
Frequently Asked Questions
- Q: Will this fit my 2019 Honda Civic Type R?
A: Yes, it fits 2017-2021 Civic Type R (FK8) with turbo systems requiring external wastegate, confirm dump tube size - Q: What materials are used in construction?
A: Stainless steel 630 butterfly/shaft, 347 body, 431 clamps, 6262 T6 aluminum bracket/actuator, N60 linkages for heat resistance - Q: What is needed for installation?
A: Professional tuning with programmable ECU, boost controller, includes flanges/clamps/fittings/instructions
Shipping & Handling
- Method: Standard ground
- Availability: In stock – ships same or next business day
- Packaging: 12 in L x 8 in W x 6 in H box (30.5 x 20.3 x 15.2 cm)
- Weight: 4.5 lbs (2.04 kg)
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