Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Take full control of your BMW's exhaust valves to control exhaust volume and tone.
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Brand:
ES#:
4172027
Mfg#:
R660-0001
Ships in 3 Business Days
ON SALE!
SAVE 10%
$318.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrade your sound while keeping your factory valved muffler installed. While your upgrading sound receive a FREE ignition upgrade with performance B-series coils and NGK spark plugs.
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Brand:
ES#:
4876425
Mfg#:
048013LAEBKT1
In Stock
ON SALE!
$876.09
This product was last offered at the strikethrough price on 05-05-2026
Performance exhaust systems increase flows to improve throttle response and add power. Designed to reduce back pressure, our large selection of performance exhaust parts and performance exhaust systems is made from premium materials like stainless steel. Many are TIG welded and polished to make them as attractive as they are functional.
