Direct-fit performance solution for the OE diverter valve
Two valves required.
Brand:
ES#:
4845577
Mfg#:
T9388
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$280.99
This product was last offered at the strikethrough price on 11-11-2026
$252.99 USD
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on orders $49 and up
Lifetime Replacement
Fits all 4.0L M176, M177 and M178 Engines. Achieve that "blow off sound" people are fond of on turbocharged vehicles!
Brand:
ES#:
4929870
Mfg#:
09.0388.V8
$369.99 USD
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Lifetime Replacement
Get that "blow-off" sound that many people are fond of on turbocharged vehicles! 100% Bolt-On Solution
Brand:
ES#:
5445728
Mfg#:
HW-0478
$169.99 USD
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Lifetime Replacement
Fits all M176, M177 & M178 Engines
Brand:
ES#:
4668557
Mfg#:
VR-CLA250-150-2
$175.00 USD
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Lifetime Replacement
Adds the distinctive turbo blow off sound by venting boost pressure to the atmosphere on M177, M178, and M276 powered AMG models.
Brand:
ES#:
5541698
Mfg#:
001-0407-1240
$199.99 USD
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Lifetime Replacement
Upgraded blow off valves for M177 and M178 AMG engines, providing reliable boost sealing, improved throttle response, and turbocharger protection at high boost levels.
Brand:
ES#:
5541696
Mfg#:
009-0408-1811
$682.99 USD
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Lifetime Replacement
Achieve that iconic turbo blow off sound with precision machined adapters designed for seamless vent to atmosphere performance.
Brand:
ES#:
5446865
Mfg#:
SP-AMG-VTA
$299.00 USD
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Lifetime Replacement