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VRP Blow Off Valve Spacers Mercedes C300 | C400 | C450 | C63 | AMG GT
$148.75
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A blow off valve for the Mercedes 3.0L Turbo V6 or 4.0L Turbo V8 platform is a great upgrade to improve your vehicle's performance and get that incredible turbo whoosh sound from your engine. The Vivid Racing blow off valve spacer has been engineered to fit between the turbocharger and the factory valve that releases pressure, also known as a "Priority Valve".  In a typical turbo configuration, the turbocharger pressure is recirculated which can cause harmful compressor surge or slow down the spooling of the turbo.  Changing a blow off valve from recirculating to atomosphere venting has been a common practice in turbocharger systems.  Because of the design of the Mercedes turbocharged engines, there is no adverse affects from making this upgrade. Made from billet 6061 aluminum, the new valve features holes on either side that vent the turbocharger pressure to atmosphere between gear changes or when you let off the throttle.  Anodized in black for a OEM look, the blow off valve spacer features a laser engraved Vivid Racing logo.  The valve includes required o-rings for a air tight seal.  Because there are no moving parts, this product does require any maintenance or adjustments.

Notes:

Fitment:

  • Fits all M176, M177, M178 Engines
  • Does not fit models with electronic VGT Actuator
  • Mercedes C300 (Includes 2 Valves)
  • Mercedes C400 (Includes 2 Valves)
  • Mercedes C450 (Includes 2 Valves)
  • Mercedes C63 AMG (Includes 2 Valves)
  • Mercedes AMG GT
  • Mercedes G550
  • Mercedes E63
  • Mercedes S560
  • Mercedes S63

Other Part Numbers:
VR Performance #151572252

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2015-2021
Mercedes-Benz AMG GT
2021
Mercedes-Benz AMG GT 43
2018-2021
Mercedes-Benz AMG GT C
2017-2021
Mercedes-Benz AMG GT R
2015-2021
Mercedes-Benz AMG GT S
2015-2020
Mercedes-Benz C400
2015-2017, 2019-2021
Mercedes-Benz C450 AMG
2015-2022
Mercedes-Benz C63 AMG
2014-2021
Mercedes-Benz C63 S AMG
2016-2020
Mercedes-Benz E63 AMG
2016-2020
Mercedes-Benz E63 AMG S
2016-2021
Mercedes-Benz G550
2017
Mercedes-Benz Maybach S550
2018-2020
Mercedes-Benz Maybach S560
2016-2020
Mercedes-Benz S560
2018-2020
Mercedes-Benz S63 AMG
2016-2017
Mercedes-Benz S63L AMG
VR Performance – Engineered Power for Every Platform VR Performance is Vivid Racing’s in-house performance brand, developed to provide enthusiasts with precision-tuned upgrades across every corner of their build. Designed to integrate seamlessly with today’s most popular cars, trucks, and SUVs, VR Performance products deliver measurable improvements in horsepower, torque, handling, and driving experience without compromising reliability. A Full Lineup of Performance Upgrades Exhaust Systems – From stainless steel catbacks to lightweight titanium valvetronic systems, VR Performance exhausts are built to improve flow, enhance throttle response, and deliver an aggressive yet refined sound. Many systems maintain factory valve controls, making them perfect for both street and track. Air Intakes & Charge Pipes – Carbon fiber and aluminum intake systems paired with reinforced charge pipes optimize airflow while reducing restriction. These upgrades not only improve power delivery but also sharpen turbo response on forced-induction platforms. Turbo & Supercharger Accessories – High-flow intercoolers, downpipes, and supporting hardware designed for big-power builds. These components maximize efficiency under boost and support staged tuning upgrades. Carbon Fiber Components – Lightweight hoods, engine covers, and aero parts crafted from premium carbon fiber. Engineered for both function and aesthetics, they reduce weight while adding a motorsport-inspired finish. Suspension & Handling – Coilovers, lowering springs, and sway bar upgrades tuned to strike the balance between daily drivability and track-level cornering confidence. Big Brake Kits & Rotors – High-performance braking solutions that improve stopping distances, reduce fade, and complement high-horsepower applications. Wheels & Accessories – Flow-formed and forged wheels designed to reduce rotational mass and improve stance without compromising strength. Why Enthusiasts Choose VR Performance Each part is developed with direct vehicle fitment in mind—meaning no guesswork, no universal fit pieces, and no shortcuts. Whether it’s a Porsche 911 Turbo, BMW M3/M4, Nissan GT-R, Ford Raptor, or Toyota Supra, VR Performance creates bolt-on solutions that enthusiasts can trust. Products are track-tested and backed by decades of tuning experience from Vivid Racing.

We Offer Aftermarket Warranties by Extend - View Here 

***VR or AP Branded Item Warranty Terms & Conditions below. Please note we do not cover shipping to or from the customer. Products must be shipped back, inspected, where we then determine if the product needs to be repaired, replaced, or refunded if necessary.***

Vivid Racing offers a 1 year limited warranty on (non titanium) products and a 90 day warranty on titanium products under the VR Performance brand which covers manufacturing defects that prevent the item from being used for its intended purpose and application. Damages or issues found that are not directly caused by a manufacturing defect are not covered under any warranty offered by Vivid Racing.

Vivid Racing reserves the right to refuse warranty coverage for the following reasons. 

  • Neglect
  • Misuse
  • Installation errors
  • Acts of Nature
  • Personal Opinion

Please note: In order for any claim to be submitted, proof of professional installation or its attempt must be provided. All Warranty claims must be submitted for review. If approved, an RMA number will be provided which MUST be included in the packaging. If not included your returned product will be refused. All return shipping costs to and from Vivid Racing are the responsibility of the customer or distributor initiating the warranty claim. If the product is determined to be covered under warranty Vivid Racing will repair the product within original spec, offer a replacement, or refund if needed to the original purchaser. Our warranty does not cover any labor, services, or related products to our product.

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