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Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG
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Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG

Weistec
WEI01-133-01203-4
Blow Off Valves
$349.00
Anti Surge Valve All high-performance turbocharged engines require a pressure release system. A major shortcoming of...
$349.00

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Weistec M133 Anti Surge Valve Mercedes-Benz A45 AMG CLA45 AMG GLA45 AMG

Anti Surge Valve

All high-performance turbocharged engines require a pressure release system. A major shortcoming of AMG's potent M133 engine is the lack of a bypass valve. When increasing your vehicle's performance, the absence of such a valve can inevitably lead to compressor surge and accelerated damage to the turbo.

Weistec Anti-Surge Valve's (ASV) sole purpose is to permanently prevent compressor surge and premature wear on your vehicle's turbo system. The valve allows compressed air to be vented to the atmosphere instead of back flowing into the compressor housing. Continuous backflow of compressed air can lead be detrimental to key turbocharger components. Back-flowing compressed air slows the turbocharger's impeller wheel, requiring it to "respool" when a throttle input is made.



Improved turbo lifespan.

Weistec ASV not only prolongs the life of your turbocharger but also improves throttle response by sharpening spool-up times. Furthermore, the system produces the infamous and highly sought-after “blow-off” sound. This upgrade is a must for those seeking a bolt-on simple upgrade or planning on further upgrading their AMG 45 vehicle in the future.

Key Features:

  • 100% Bolt-On Solution *

  • No Check Engine Light

  • Easy 30 Minute Installation

  • Increased Lifespan of Turbo

  • CNC Machined Aluminum

  • Hard Anodized to Military Spec

  • Engineered and Manufactured in USA

* Later models feature an electronic bypass valve from Mercedes. This valve simply needs to be removed and relocated while remaining plugged in and the Weistec ASV will function perfectly as designed.

Vehicle fitment

  • 2013-2018 Mercedes-Benz A45 AMG Hatchback
  • 2013-2018 Mercedes-Benz CLA45 AMG Coupe
  • 2014-2019 Mercedes-Benz GLA45 AMG Base
  • 2015-2018 Mercedes-Benz CLA45 AMG Shooting Brake

Installation manual

Weistec part number: 01-133-01203-4 · UPC: 810089561190

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All products are shipped out from one of the Signature Autohaus shipping locations. Signature Autohaus drop ships some products and ships direct others. All products are shipped via FedEx, UPS, DHL or another qualified shipping carrier. Special arrangements may need to be made for international orders and oversize packages. In the event a product arrives damaged to your location, please follow the steps listed below. All damaged items must be reported to the shipping carrier immediately and you must notify Signature Autohaus within 5 days of receiving your order. If these steps are not followed, your shipment may not be able to be a candidate for a claim. Complete the Shipping DAMAGE Claim Form by contacting the carrier that delivered your package. 1) Keep the product and its original packaging and box Make a list of the damaged or lost item(s) 2) Signature Autohaus will contact the shipper once we receive the email info above to schedule a pickup, DO NOT send it back to us 3) Once the product is picked up and inspected by Signature Autohaus and or Supplier, a replacement or credit will be issued. 4) The Shipping Rates shown at time of checkout our dimensional rate only. If your shipment weight is to much then contact us for a shipping quote. If there is an error in the shipping rate quoted we will contact you and let you know of the changes. International orders(Outside the USA) are not automatically processed as we may require additional information from you. If a product is ordered and not wanted, the UNUSED item can be returned for a 35% restocking fee. Shipping is not refundable in either direction. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the Signature Autohaus warehouse are shipped via FedEx or Freight and require a signature when delivered. Some packages shipped from the manufacturer may or may not require signatures for package release. Fedex, UPS, and DHL have package pick up locations if you are unable to sign for the package. If the package is returned to Signature Autohaus or manufacturer, you will be responsible for the return shipping costs and pay a 35% restocking fee. These fees will be charged to your account on file. SIGNATURE AUTOHAUS DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return, will not cover any expenses related to the product or installation, and you maybe be required to purchase a replacement. In the event that the product you ordered is sent either incorrectly or processed wrong by Signature Autohaus, we will arrange for the package to come back to us and ship out a replacement. We will evaluate the situation before we determine the shipment was incorrect. To return a item back to us, please do the following: 1. Contact our Customer Service Department to receive a RMA number. All packages returned without a Returned Merchandise Authorization number will be refused. 2. Package the item up in original packaging unless deemed unuseable 3. Include the UNUSED parts and any additional information that was included 4. Include a copy of your receipt 5. Write a brief description of the problem with the product 6. If you have a receipt for the return shipping include as well 7. We DO NOT accept any freight collect packages 8. Once we have received the above information we will notify you via email or phone and let you know the status.

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