View our Specials! Coupon Code: SaveIn2026
Koni Suspension Sale
X
Vehicle Set: Click here to shop 2025 Audi S4 parts.

2025 Audi S4 Performance Parts

Looking for aftermarket parts to modify or upgrade your 2025 Audi S4? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories.

Parts:

Recently Added Parts:

MBRP Catback Exhaust 304 S46073CF
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
MBRP Catback Exhaust 304 S4607304
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
aFe Wheel Spacers 610-721003-B
IN STOCK
aFe Wheel Spacers 610-721003-B
aFe CONTROL Billet Aluminum Wheel Spacers 5x112 CB66.6 18mm - Toyota GR Supra/BMW G-Series
$128.66
aFe Wheel Spacers 610-721002-B
IN STOCK
aFe Wheel Spacers 610-721002-B
aFe CONTROL Billet Aluminum Wheel Spacers 5x112 CB66.6 15mm - Toyota GR Supra/BMW G-Series
$128.66
aFe Wheel Spacers 610-721001-B
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
EBC Redstuff Brake Pad Sets DP32277C
IN STOCK
EBC Redstuff Brake Pad Sets DP32277C
EBC 18-19 Audi S4 / S5 Redstuff Ceramic Low Dust Front Brake Pads
$230.25
SPC Performance Control Arm 81383
IN STOCK
SPC Performance Control Arm 81383
SPC Performance Audi B9 Front Upper Control Arm Set Left & Right Pair
$899.93
KW Elect Damping Cancellation 68510476
IN STOCK
KW Elect Damping Cancellation 68510476
KW Electronic Damping Cancellation Kit 17-18 Audi S5 AWD
$493.95
Gates Micro-V Belts K060465
IN STOCK
Gates Micro-V Belts K060465
Gates 97-98 Acura CL / 04-00 BMW 750L / 03-07 Infiniti FX35/G35 / 03-06 Nissan 350Z Micro-V Belt
$47.15
3D MAXpider Kagu - Front - Black L1AD04211509
IN STOCK
3D MAXpider Kagu - Front - Black L1AD04211509
3D MAXpider 2017-2019 Audi A4/S4/A5/S5 Kagu 1st Row Floormat - Black
$124.99

Popular Parts:

EBC Redstuff Brake Pad Sets DP32277C
IN STOCK
EBC Redstuff Brake Pad Sets DP32277C
EBC 18-19 Audi S4 / S5 Redstuff Ceramic Low Dust Front Brake Pads
$230.25
aFe Wheel Spacers 610-721001-B
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
KW Elect Damping Cancellation 68510476
IN STOCK
KW Elect Damping Cancellation 68510476
KW Electronic Damping Cancellation Kit 17-18 Audi S5 AWD
$493.95
aFe Wheel Spacers 610-721002-B
IN STOCK
aFe Wheel Spacers 610-721002-B
aFe CONTROL Billet Aluminum Wheel Spacers 5x112 CB66.6 15mm - Toyota GR Supra/BMW G-Series
$128.66
MBRP Catback Exhaust 304 S46073CF
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
aFe Wheel Spacers 610-721003-B
IN STOCK
aFe Wheel Spacers 610-721003-B
aFe CONTROL Billet Aluminum Wheel Spacers 5x112 CB66.6 18mm - Toyota GR Supra/BMW G-Series
$128.66
SPC Performance Control Arm 81383
IN STOCK
SPC Performance Control Arm 81383
SPC Performance Audi B9 Front Upper Control Arm Set Left & Right Pair
$899.93
3D MAXpider Kagu - Front - Black L1AD04211509
IN STOCK
3D MAXpider Kagu - Front - Black L1AD04211509
3D MAXpider 2017-2019 Audi A4/S4/A5/S5 Kagu 1st Row Floormat - Black
$124.99
MBRP Catback Exhaust 304 S4607304
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