CTS Turbo high flow cat is made to maximize exhaust flow for highest power gains - Do not compromise performance and sound with factory parts - Unleash your B9 S4/S5 3.0T Potential!
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No cutting required, easy-to-install downpipes with resonator deletes for your factory cat back exhaust.
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Brand:
ES#:
4715650
Mfg#:
016752LA02KT
In Stock
ON SALE!
SAVE 15%
$469.99
This product was last offered at the strikethrough price on 05-02-2026
Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ
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Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque
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Brand:
ES#:
4901469
Mfg#:
CBK0012
Ships in 1-3 days
35% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2049.99
This product was last offered at the strikethrough price on 04-22-2026
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
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Brand:
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE!
SAVE 10%
$99.99
This product was last offered at the strikethrough price on 05-02-2026
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
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ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience
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Offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note
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Brand:
ES#:
4005390
Mfg#:
034-105-4045
In Stock
$1700.00
This product was last offered at the strikethrough price on 03-08-2026
Check-Engine Light free! An emissions-friendly approach to exhaust upgrades!
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2.50" stainless steel with quad GT-100 Cerakote black tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits models without factory rear sports differential For vehicles without a sport differential
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.
Lifetime Replacement
