Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System

Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System

Marsoni

M251S

$1209.45

Get it in 3 business days with 1 day shipping. Friday, May 29

Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust SystemWelcome to a revelation in supercharged V6 sound. Our new valved setup for the B8 B8. 5 platform delivers incredible sound throughout all rev ranges and allows for the ultimate flexibility. Constructed of T304 Stainless Steel, this system runs 2. 5 inches all the way back to the tips. Utilizing our high pitch x pipe technology this system delivers a high pitch wail unfamiliar to the platform before. Low end rawness combined with the high pitch tone

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Your Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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You'll receive a tracking link by email once your Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System ships.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

It’s a high‑quality replacement that does exactly what you want from an engine air filter — it helps protect your engine and keeps performance strong. Right away you can tell this is a well‑made part. The filter media has lots of pleats and high‑velocity cellulose material that’s designed to trap dirt and contaminants before they get into your engine, which helps reduce wear and tear on vital components. It offers up to ~98% filtration efficiency, so you know the incoming air is much cleaner and better for performance and fuel efficiency.

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Reviewed in the United States on February 26, 2026

Verified Purchase

Amazon Customer

Natrona Heights, US

★★★★★ 5

Great product

Size: 5424WS, Style: Workshop

Perfect for DIY filter change.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 30, 2026