Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
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Replaces the restrictive factory cats with high-performance 300 cell cats for maximum performance and sound!
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Brand:
ES#:
4723512
Mfg#:
FS.POR.9861.PSC
In Stock
Limited Qty Sale
$1811.99
This product was last offered at the strikethrough price on 05-02-2026
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock sharper sound and instant performance gains with equal-length headers engineered for maximum flow on your 986.1 Boxster.
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Unlock your 986 Boxster’s sound and power with Maxflo—lightweight T304 stainless, high-flow HJS sport cats, dual tips, and a true bolt-on +8 whp upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
