Stainless steel non-resonated cat-back exhaust system with quad round, polished tips - Includes downpipes with high flow secondary cats
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Audi S4 Performance Engine Parts
- Blow Off Valve
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Crankshaft
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Hoses
- Intake
- Intercooler
- Mounts
- Oiling System
- Performance Package
- Pistons
- Pulleys
- Software
- Sprint Booster
- Supercharger
- Throttle Controller
- Turbocharger
- Water-Meth
Average gain of 100 horsepower and 73 lb-ft of torque on 91 Octane and Supercharger pulley upgrade
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Compatible for vehicles up to 2012 model year only - Vehicle must be brought to ECS Tuning for programming *SIMOS 8.3 ECU is not yet supported*
Replace both charge pipes
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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
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Triple Groove retainer manufactured with high-quality military-certified Titanium alloy, and CNC machined for a tight fit.
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Engineered for achieving the highest performance from your 3.0T!
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Bosch EV14 980cc Injectors (Set of 6)
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Pair this with the Integrated Engineering or 034 Motorsports stage 3 tune for 600+hp!
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Custom tuning software required for installation.
Quick connect union T-fitting for 1/4" Nylon
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Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.
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Designed for Bosch 044 Fuel Pump
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Adaptor plate for bolting the VR6 engine to 016 / 01A / 01E Audi transmissions.
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Looking to clean up the engine bay of your B8/B8.5 Audi S4 or S5?
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This product was last offered at the strikethrough price on
06-08-2026
Increased displacement to 3.0 liters is accomplished by using a larger 92.8mm stroke crankshaft and 154X21 connecting rod.
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Requires Audi factory 3.0L 30V (AVK) crankshaft & IE 154x21 Forged Connecting Rods
2.5" stainless steel with dual 3.5" polished stainless tips
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Avant models only
Stainless steel system with high flow catalytic converter
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