2021 Audi S4 Performance Parts

Looking for aftermarket parts to modify or upgrade your 2021 Audi S4? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories.

Parts:

Air Filters

Air Intake Systems

Brakes, Rotors & Pads

Engine Components

Exhaust, Mufflers & Tips

Exterior Styling

Floor Mats

Forced Induction

Ignition

Interior Accessories

Oils & Oil Filters

Programmers & Chips

Suspension

Wheel and Tire Accessories

Recently Added Parts:

IN STOCK - LOW Superpro Bushings - End Link SPF5597K SuperPro 09-20 Audi A4 Front End Link Bushing Set (4pcs) $89.99 Details

IN STOCK EBC Bluestuff Brake Pad Sets DP52254NDX EBC 2018+ Audi S4 / 2017+ Audi S5 Bluestuff Rear Brake Pads $158.40 Details

IN STOCK Brembo OE UV Coated OE Equiv Rotors 09.D423.11 Brembo 20-21 Cadillac CT5/16-19 Cadillac CT6/14-15 Cadillac CTS/16-21 Camaro Front UV Coated Rotor $116.81 Details

IN STOCK - LOW MBRP Catback Exhaust 304 S4607304 MBRP 18-21 Audi S5 Coupe/S4 Sedan T304 SS 2.5in Cat-Back Quad Rear Exit Exhaust - SS Tips $1,259.99 Details

IN STOCK MBRP Catback Exhaust 304 S46073CF MBRP 18-21 Audi S5 Coupe/S4 Sedan T304 SS 2.5in Cat-Back Quad Rear Exit Exhaust - Carbon Fiber Tips $1,364.99 Details

IN STOCK Brembo OE Ceramic Pads P85165N Brembo 18-23 Audi S4/S5/S5 Sportback/18-22 SQ5 Premium NAO Ceramic OE Equivalent Pad - Front $82.42 Details

IN STOCK Brembo OE Low Metallic Pads P85165 Brembo 19-21 Audi A6 Quattro Premium Low-Met OE Equivalent Pad - Front $90.30 Details

IN STOCK Brembo OE Ceramic Pads P85164N Brembo 17-22 Audi A5 Quattro/A5 Sportback/A4/A6 Quattro/A4 Quattro Front NAO Brake Pad $100.09 Details

IN STOCK Brembo OE Low Metallic Pads P85164 Brembo 2023 Audi S4/S5/S5 Sportback/S6/S7 Sportback Premium Low-Met OE Equivalent Pad $110.41 Details

IN STOCK Brembo OE UV Coated OE Equiv Rotors 09.B969.11 Brembo 18-23 S4/11-23 S5/14-23 SQ5/15-22 Porsche Macan Rear Premium UV Coated OE Equivalent Rotor $91.16 Details

Popular Parts:

IN STOCK Brembo OE UV Coated OE Equiv Rotors 09.B969.11 Brembo 18-23 S4/11-23 S5/14-23 SQ5/15-22 Porsche Macan Rear Premium UV Coated OE Equivalent Rotor $91.16 Details

IN STOCK Brembo OE UV Coated OE Equiv Rotors 09.D423.11 Brembo 20-21 Cadillac CT5/16-19 Cadillac CT6/14-15 Cadillac CTS/16-21 Camaro Front UV Coated Rotor $116.81 Details

IN STOCK EBC Redstuff Brake Pad Sets DP32254C EBC 2018+ Audi A4 Allroad Quattro 2.0L Turbo Redstuff Rear Brake Pads $144.01 Details

IN STOCK EBC GD Sport Rotor Sets GD1846 EBC 12+ Audi A6 Quattro 3.0 Supercharged GD Sport Rear Rotors $376.87 Details

IN STOCK EBC Redstuff Brake Pad Sets DP32277C EBC 18-19 Audi S4 / S5 Redstuff Ceramic Low Dust Front Brake Pads $230.25 Details

IN STOCK Brembo OE Ceramic Pads P85165N Brembo 18-23 Audi S4/S5/S5 Sportback/18-22 SQ5 Premium NAO Ceramic OE Equivalent Pad - Front $82.42 Details

IN STOCK EBC GD Sport Rotor Sets GD2150 EBC 2017+ Audi Q7 2.0T GD Sport Front Rotors $473.68 Details

IN STOCK LIQUI MOLY ATF - Top Tec 1800 20034 LIQUI MOLY 20L Top Tec ATF 1800 $215.53 Details

IN STOCK EBC Yellowstuff Brake Pad Sets DP42254R EBC 17-18 Audi A4 / A4 Quattro / A5 Quattro Yellowstuff Rear Brake Pads $144.01 Details

IN STOCK aFe Wheel Spacers 610-721001-B aFe CONTROL Billet Aluminum Wheel Spacers 5x112 CB66.6 12.5mm - Toyota GR Supra/BMW G-Series $128.66 Details