Air and Fuel Superchargers, Turbochargers and Components

RENNtech

Blow-Off Sound Adapter

$360.00

SKU: BOV:09.0388.I6

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

It creates the characteristic "blow-off" sound on turbocharged engines. Machined from 6061-T6 aluminum, it is anodized black and laser-etched. Utilizing the OEM electronic diverter valves, this adapter will not trigger the Check-Engine light.
Show original supplier description
The RENNtech Blow-Off Valve Adapter is engineered as a quick bolt-in solution for releasing excessive pressure in high-boost scenarios. This adapter is crafted to produce the distinct "blow-off" sound associated with turbocharged engines. Precision CNC machined from 6061-T6 aluminum, the adapter features a black anodized finish and is laser-etched for a premium look. For specific applications, like the newest generation V8 and V6 engines, these adapters offer adjustable boost pressure release and sound volume. The sound volume can be decreased by closing additional holes with the supplied set screws. Each kit typically includes the BOV adapters, O-rings, stainless steel bolts, and allen wrenches. Installation is designed to be straightforward, with no cutting required, and an estimated installation time of 30-60 minutes. The RENNtech BOV adapters are also noted to work perfectly in conjunction with RENNtech ECU Upgrades, due to their direct adjustments to the electronic OEM diverter valves. This RENNtech Blow-Off Valve Adapter is specifically designed for Mercedes-Benz CLS 53 AMG models from 2019 to 2023, equipped with the 3.0L Inline-6 Turbo engine.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRENNtech
Part NumberBOV:09.0388.I6
CategoryAir and Fuel

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

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