AUDI S4

Upgrade your Audi S4 with premium Audi S4 performance parts and styling upgrades for selected B8 and B9-generation Saloon and Avant models. Explore valved exhaust systems, downpipes, cold air intakes, turbo inlet upgrades, intercoolers, cooling components, carbon fibre front splitters, side skirts, rear diffusers, spoilers, replacement grilles, mirror covers, engine bay parts and interior accessories. Based in Ireland, EURO TUNED ships high-quality Audi S4 aftermarket parts worldwide.

Read more ↓

Filters

Sort by:

14 products

Audi S4 B8 and S5 B8 3.0T full valved cat-back exhaust system in 304 stainless steel with quad exhaust tipsAudi S4 B8 and S5 B8 3.0T 304 stainless steel valved cat-back exhaust front and center pipe section
Audi S4 B9 S5 F5 EA839 intake charge and boost pipe complete kit with couplers clamps flange and installation hardwareAudi S4 S5 EA839 black aluminum charge and boost pipe set with red silicone couplers and mounting flange
Audi S4 B9 S5 F5 3.0 TFSI aluminum turbo inlet pipe with black intake hoseAudi EA839 3.0 TFSI turbo inlet pipe and intake hose high-flow connection detail
Red aluminum charge pipe kit for Audi S4 B9 and S5 F5 EA839 3.0 TFSIRed performance charge pipe kit installed in Audi S4 B9 EA839 3.0 TFSI engine bay
Audi S4 B9 S5 F5 3.0 TFSI OPF catless downpipe with gaskets and installation hardwareAudi EA839 OPF catless downpipe sensor port and flange detail
High-flow 200 cell catted downpipe for Audi S4 S5 EA839 3.0 TFSI OPF modelsSS304 OPF catted downpipe for Audi S4 B9.5 and S5 F5 3.0 TFSI
Audi S4 S5 B8 B8.5 3.0 TFSI performance downpipes with installation hardwareStainless steel performance downpipes for Audi S4 and S5 B8 B8.5 3.0 TFSI
Audi A4 S4 RS4 B9 B9.5 Avant carbon fiber rear middle spoiler installedAudi A4 S4 RS4 B9 B9.5 Avant carbon fiber rear middle spoiler installed
Audi S4/S5/SQ5 V6T Cold Air Intake (2010-2017)Audi S4/S5/SQ5 V6T Cold Air Intake (2010-2017)
Audi S4 B9 Carbon Fiber Rear Diffuser With LED LightAudi S4 B9 Carbon Fiber Rear Diffuser With LED Light
Audi A4/S4 B9 Carbon Fiber Rear Trunk SpoilerAudi A4/S4 B9 Carbon Fiber Rear Trunk Spoiler
Audi A4/S4 B9 Carbon Fiber V Style One Piece Front SplitterAudi A4/S4 B9 Carbon Fiber V Style One Piece Front Splitter
Audi A4/S4 B9 Carbon Fiber Rear Trunk SpoilerAudi A4/S4 B9 Carbon Fiber Rear Trunk Spoiler
Audi Dry Carbon Fiber Magnetic Paddle ShiftersAudi Dry Carbon Fiber Magnetic Paddle Shifters
AUDI S4 PERFORMANCE AND STYLING PARTS

The Audi S4 combines everyday practicality, quattro traction and strong performance with understated S-model styling. Our collection includes selected upgrades for compatible B8 and B9-generation vehicles, helping owners enhance exhaust sound, engine airflow, cooling and exterior appearance.

Available products may include Audi S4 exhaust systems, downpipes, cold air intakes, turbo inlet components, intercoolers, cooling upgrades, carbon fibre front splitters, side skirts, rear diffusers, spoilers, replacement grilles, mirror covers, engine bay parts and interior accessories.

AUDI S4 B8 AND B9 MODELS

Compatible upgrades may be available for selected Audi S4 B8, B8.5, B9 and B9.5 models where specifically listed. These generations use different engines, electronics, bodywork, exhaust layouts and mounting points, so components developed for one platform should not be assumed to fit another.

Saloon and Avant models may also require different rear diffusers, exhaust sections, boot or roof spoilers and other body-specific parts. Standard A4, S line and full S4 vehicles use different bumpers and exhaust arrangements.

AUDI S4 EXHAUST AND PERFORMANCE UPGRADES

An Audi S4 performance exhaust can deliver a deeper and more engaging sound while enhancing the factory quad-exit rear appearance. Depending on the generation and engine, available options may include valved cat-back systems, centre sections, downpipes and alternative exhaust tips.

Selected models may also support cold air intakes, turbo inlet upgrades, intercoolers, heat exchangers and charge-air components. B8 models use a supercharged V6 platform, while later B9 applications use different turbocharged powertrains depending on year and market, so mechanical parts must match the exact vehicle specification.

High-flow catalytic converters, test pipes or modified downpipes may affect emissions compliance, warning lights and software requirements. Local road and inspection regulations should always be checked before installation.

AUDI S4 CARBON FIBRE PARTS

Audi S4 carbon fibre parts can complement the refined S-model bodywork and create a lower, sharper and more performance-focused appearance. Popular upgrades may include front splitters, side skirt extensions, rear diffusers, boot or roof spoilers, mirror covers, replacement grilles and engine bay accessories.

Selected products feature genuine 2x2 twill 3K carbon fibre for the visible woven finish rather than printed, wrapped or hydro-dipped carbon-look material. Exact construction is stated on each product page.

CHOOSING THE CORRECT AUDI S4 PARTS

Before ordering Audi S4 aftermarket parts, confirm the chassis code, production year, Saloon or Avant body style, facelift version, engine, factory bumper and original exhaust arrangement. OPF or DPF equipment, exhaust valve controls, cameras, parking sensors and existing modifications may also affect compatibility.

BUY AUDI S4 PARTS FROM EURO TUNED

EURO TUNED is based in Ireland and ships worldwide, delivering premium performance and styling parts to customers anywhere in the world.

Browse our collection of Audi S4 performance parts, exhaust systems and genuine carbon fibre upgrades for selected B8 and B9-generation models.