Performance - Mercedes GLA (X156) 2013-2019

GFB's DV+ diverter valve range offers a direct-fit performance solution for the weak factory diverter valves used on many modern vehicles. By retaining the factory ECU control and recirculating the vented air, the DV+ is a purely performance-orientated product. GFB’s DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method to “pilot actuation” to ensure better performance on stock or modified engines. Furthermore, these benefits won’t cost you the Earth! Rather than throwing the entire factory diverter valve system in the bin (like other manufacturer’s “solutions”), the DV+ keeps what works and replaces what doesn’t. It retains the factory solenoid and ECU control to ensure simple installation and reliable operation. 10% faster opening, 50% faster closing than the factory diverter Retains the factory solenoid for seamless integration Replaces plastic valve parts with metal for reliability and strength on stock or modified engines Direct-fit replacement with GFB’s TMS benefits Exclusive “pilot-actuated” valve mechanism for rapid response at high boost   Related Videos: Make Model Mark Variant EngineCodes BodyStyle DriveType FuelType YearFrom YearTo Ford C-Max MK2 1.5 EcoBoost MPV Front Wheel Drive Petrol 2015 2024 Ford C-Max MK2 1.5 EcoBoost Van Front Wheel Drive Petrol 2015 2024 Ford C-Max MK2 1.5 EcoBoost MPV Front Wheel Drive Petrol 2015 2024 Ford C-Max MK2 1.5 EcoBoost Van Front Wheel Drive Petrol 2015 2024 Ford C-Max MK2 1.6 EcoBoost MPV Front Wheel Drive Petrol 2011 2024 Ford C-Max MK2 1.6 EcoBoost Van Front Wheel Drive Petrol 2010 2015 Ford C-Max MK2 1.6 EcoBoost MPV Front Wheel Drive Petrol 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The T9388 is the latest addition to the DV+ range of diverter valves from GFB (Go Fast Bits). It is designed as a complete drop-in replacement for the OEM diverter valve in late-model Mercedes vehicles. Unlike the earlier generation diverter valves manufactured by Pierburg, the newer AMG-branded OEM valves cannot be disassembled and incorporated into a DV+. Therefore, GFB developed the T9388 with a low-profile integrated solenoid as a complete replacement for both the AMG and Pierburg diverter valves, enabling a hassle-free installation with no clearance issues. Like all valves in the DV+ range, the new T9388 delivers the following benefits over the OEM diverter valve: Improved boost holding Sharper throttle response Faster boost recovery after a gearshift or brief throttle lift Unrivalled longevity, backed by our Lifetime Warranty Improved Boost Holding Since electronic OEM diverter valves first appeared in the mid-2000s, there have been many revisions over the years in an attempt to address reliability issues. Whilst the latest generation of OEM diverter valves has become more reliable, there is always a performance trade-off due to their operational method and plastic construction. When GFB engineers performed boost leak testing on the OEM diverter valve in a C63S, they found the leak was significantly larger than in earlier generations. This excessive leaking is due to the emerging trend of manufacturers mounting diverter valves remotely on plastic intercooler tanks rather than directly on the turbocharger. A plastic valve mechanism closing onto a plastic seat resulted in the largest OEM diverter valve leak we’ve seen yet at 28L/min at 1 Bar of boost. Even with the Viton face seal (featured on all DV+ pistons), the plastic OEM seat face was found to be so uneven that it was impossible to achieve a reliable seal. The T9388 successfully addresses this issue by incorporating an integral piston seat machined into its body. This design ensures a proper seal, even on uneven plastic OEM seats. Sharper throttle response, faster boost recovery after brief throttle lift Factory electronic diverter valves are binary in operation – they’re either open or shut. Your throttle, however, isn’t. When you make small throttle adjustments, the binary operation of the factory diverter results in abrupt changes in power delivery, which is the very definition of poor throttle response. The DV+ patented “pilot actuation” system allows the piston to open and close progressively, thereby smoothing the power delivery during throttle modulation, and ultimately improving throttle response. Unrivalled longevity, backed by our Lifetime Warranty The combination of precision manufacturing, attention to detail, and robust materials mean the DV+ will last a lifetime. So does the warranty! Suits: MERCEDES-BENZ CLA-Class C118 CLA180/CLA200/CLA250e 1.3T (2019-On)MERCEDES-BENZ A-Class W177 A160/A180/A200/A250e 1.3T (2018-On)MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ C-Class C300 2.0T (2019-On)MERCEDES-BENZ G63 AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ S63 AMG 4.0TT (2018-2020) Two Valves RequiredMERCEDES-BENZ A-Class W177 A160/A180/A200/A250e 1.3T (2018-On)MERCEDES-BENZ GLC 200/250/300 (2015 - 2021)MERCEDES-BENZ B- Class W247 B160/B180/B200/B250e (2018-On)MERCEDES-BENZ CLA35 AMG 2.0T (2020-On)MERCEDES-BENZ GLC43 AMG 3.0TT (2019-On) Two Valves RequiredMERCEDES-BENZ GLB-Class X247 GLB180/GLB200 (2018-On)MERCEDES-BENZ E-Class W212 E200/E250 (2009-2016)MERCEDES-BENZ E-Class W212 E200/E250 (2009-2016)MERCEDES-BENZ E-Class W212 E200/E250 (2009-2016)MERCEDES-BENZ SLK 200/250 (R172)MERCEDES-BENZ SLK 200/250 (R172)MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ B-Class W246 B180/B200/B220/B250 (2011-2019)MERCEDES-BENZ B-Class W246 B180/B200/B220/B250 (2011-2019)MERCEDES-BENZ B-Class W246 B180/B200/B220/B250 (2011-2019)MERCEDES-BENZ A-Class W176 A180/A200/A250 Turbo (2012-2018)MERCEDES-BENZ A-Class W176 A180/A200/A250 Turbo (2012-2018)MERCEDES-BENZ A-Class W176 A180/A200/A250 Turbo (2012-2018)MERCEDES-BENZ A45 AMG (Facelift Models Only) (2015 - 2018)MERCEDES-BENZ CLA45 AMG (Facelift Models Only) 2016 - 2018MERCEDES-BENZ CLA-Class C117 CLA180/CLA200/CLA220/CLA250 (2013-2019)MERCEDES-BENZ CLA-Class C117 CLA180/CLA200/CLA220/CLA250 (2013-2019)MERCEDES-BENZ S-Class S400 Note : Two Valves RequiredMERCEDES-BENZ GLA-Class X156 GLA180/GLA200/GLA220/GLA250 (2014-2019)MERCEDES-BENZ GLA-Class X156 GLA180/GLA200/GLA220/GLA250 (2014-2019)MERCEDES-BENZ GLA-Class X156 GLA180/GLA200/GLA220/GLA250 (2014-2019)MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ C63 & C63 S AMG 4.0TT (2016-On) Two Valves RequiredMERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ GLC 200/250/300 (2015 - 2021)MERCEDES-BENZ E-Class W213 E200/E250/E300 (2016-2019) Note : M270/M274 ENGINES ONLYMERCEDES-BENZ E-Class W213 E200/E250/E300 (2016-2019)MERCEDES-BENZ E63 & E63 S AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ E63 & E63 S AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ GLC63 & GLC63 S AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ AMG GT 4.0TT (2019-On) Two Valves RequiredMERCEDES-BENZ AMG GT 4.0TT (2019-On) Two Valves Required        

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suits a wide range of Mercedes turbo models If You Want Sound With Your Performance (Or Performance With Your Sound!), GFB’s T9488 VTA Delivers!By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and reliability.With its low-profile integrated solenoid and compact design, installing the T9488 is a breeze. Just swap out your factory diverter valve with the VTA, and you’re good to go!Key features and benefits:Blow off sound AND better performanceReliable boost holdingSharper throttle response, faster boost recoveryLow-profile integrated solenoid for seamless installationAustralian-made, backed by a lifetime warrantyT9488 is a direct bolt-on for most Mercedes turbo petrol vehicles. Twin-turbo engines typically require two valves. Suits: MERCEDES-BENZ CLA-Class C118 CLA180/CLA200/CLA250e 1.3T (2019-On)MERCEDES-BENZ A-Class W177 A160/A180/A200/A250e 1.3T (2018-On)MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ C-Class C300 2.0T (2019-On)MERCEDES-BENZ G63 AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ S63 AMG 4.0TT (2018-2020) Two Valves RequiredMERCEDES-BENZ A-Class W177 A160/A180/A200/A250e 1.3T (2018-On)MERCEDES-BENZ GLC 200/250/300 (2015 - 2021)MERCEDES-BENZ B- Class W247 B160/B180/B200/B250e (2018-On)MERCEDES-BENZ CLA35 AMG 2.0T (2020-On)MERCEDES-BENZ GLC43 AMG 3.0TT (2019-On) Two Valves RequiredMERCEDES-BENZ GLB-Class X247 GLB180/GLB200 (2018-On)MERCEDES-BENZ E-Class W212 E200/E250 (2009-2016)MERCEDES-BENZ E-Class W212 E200/E250 (2009-2016)MERCEDES-BENZ E-Class W212 E200/E250 (2009-2016)MERCEDES-BENZ SLK 200/250 (R172)MERCEDES-BENZ SLK 200/250 (R172)MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ B-Class W246 B180/B200/B220/B250 (2011-2019)MERCEDES-BENZ B-Class W246 B180/B200/B220/B250 (2011-2019)MERCEDES-BENZ B-Class W246 B180/B200/B220/B250 (2011-2019)MERCEDES-BENZ A-Class W176 A180/A200/A250 Turbo (2012-2018)MERCEDES-BENZ A-Class W176 A180/A200/A250 Turbo (2012-2018)MERCEDES-BENZ A-Class W176 A180/A200/A250 Turbo (2012-2018)MERCEDES-BENZ A45 AMG (Facelift Models Only) (2015 - 2018)MERCEDES-BENZ CLA45 AMG (Facelift Models Only) 2016 - 2018MERCEDES-BENZ CLA-Class C117 CLA180/CLA200/CLA220/CLA250 (2013-2019)MERCEDES-BENZ CLA-Class C117 CLA180/CLA200/CLA220/CLA250 (2013-2019)MERCEDES-BENZ S-Class S400 Note : Two Valves RequiredMERCEDES-BENZ GLA-Class X156 GLA180/GLA200/GLA220/GLA250 (2014-2019)MERCEDES-BENZ GLA-Class X156 GLA180/GLA200/GLA220/GLA250 (2014-2019)MERCEDES-BENZ GLA-Class X156 GLA180/GLA200/GLA220/GLA250 (2014-2019)MERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ C63 & C63 S AMG 4.0TT (2016-On) Two Valves RequiredMERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ GLC 200/250/300 (2015 - 2021)MERCEDES-BENZ E-Class W213 E200/E250/E300 (2016-2019) Note : M270/M274 ENGINES ONLYMERCEDES-BENZ E-Class W213 E200/E250/E300 (2016-2019)MERCEDES-BENZ E63 & E63 S AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ E63 & E63 S AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ C-Class C180/C200/C250/C300 Turbo (Not Kompressor) 2011-2018MERCEDES-BENZ GLC63 & GLC63 S AMG 4.0TT (2018-On) Two Valves RequiredMERCEDES-BENZ AMG GT 4.0TT (2019-On) Two Valves RequiredMERCEDES-BENZ AMG GT 4.0TT (2019-On) Two Valves Required       VTA blow-off valves are constructed with the same materials and valve mechanism as the DV+, and they offer the exact same performance and boost holding. However, venting to atmosphere gives it the signature blow-off sound, whilst the DV+ keeps things quiet. Competitors' products for the same vehicles that make sound (i.e. BOV "Spacers") typically retain the performance deficiencies of the factory diverter valve, delete the ECU control, or require frequent maintenance and rebuilds. The VTA on the other hand is the complete package - performance, fit, reliability, and sound! Like the DV+, GFB’s VTA range of BOVs utilise GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as superior boost holding. However, where the DV+ and the VTA range differ is what they do with the vented air. VTA BOVs vent to atmosphere to make the signature turbo blow-off sound, where the DV+ recirculates the air to keep it quiet. Each valve in the VTA range is designed specifically for the applications we list them for, ensuring the best fit and performance. Most of the VTA range are designed for use on cars with solenoid type factory diverter valves, and in those cases the VTA kit will retain the solenoid and ECU control. Like the DV+ though, it replaces the weak factory valve internals to ensure strength and reliability, especially in high boost applications. Other versions of the VTA are designed for use on cars that do not have any kind of factory fitted diverter valve. Vehicle manufacturers have deleted the troublesome solenoid type diverter valve from some of the newer models, but this leads to turbo compressor surge which can be taxing on the turbo in the long run. The VTA valves for these cars are designed to re-introduce the function of a diverter/blow-off valve to help protect the turbo in the long term and provide a blow-off sound.

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