K&N Audi A4 1.8L Drop In Air Filter
$84.19
KNN33-2945
Air Filters - Drop In
All Products
Audi A4 / S4 / RS4
Best Selling Products
Newest Products
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for...
K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter
$94.19
KNN33-2209
Air Filters - Drop In
All Products
Audi A4 / S4 / RS4
Best Selling Products
Newest Products
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for...
JE Pistons AUDI S4 2.7LTT KIT Set of 6 Pistons
$1,251.86
JEP314324
All Products
Audi A4 / S4 / RS4
Best Selling Products
Engine Components
JE Pistons
Newest Products
Piston Sets - Forged - 6cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
Hawk Talon 2009 Audi A4 Sedan Drilled and Slotted Front Brake Rotor Set
$391.99
$343.09
HAWKHTC4852
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Rotors - Slot & Drilled
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
Decades of experience, continuous research and development, and dedication to bringing the highest quality premium friction products have led to Talon(R) Rotors. Leveraging the...
Hawk 17-19 Audi A4 / 18-19 Audi A5 Performance Ceramic Street Rear Brake Pads
$195.99
$195.59
HAWKHB866Z.652
All Products
Audi A4 / S4 / RS4
Audi A5 / S5 / RS5
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicles braking system is...
Hawk Performance 09-10 Audi A4/Quattro / 08-11 A5 Quattro / 09-11 Q5 Rear Ceramic Street Brake Pads
$150.59
HAWKHB642Z.658
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk 09-10 Audi A4/A4 Quattro/A5 Quattro/Q5/S5 / 10 S4 HPS Street Rear Brake Pads
$137.09
HAWKHB642F.658
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk 2009-2014 Audi A4 HPS 5.0 Rear Brake Pads
$145.19
HAWKHB642B.658
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk Performance 09-11 Audi A4/Quattro / 08-11 Quattro / 09-11 Q5 Front Ceramic Street Brake Pads
$199.99
$199.19
HAWKHB641Z.696
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk 09-10 Audi A4/A4 Quattro/A5 Quattro/Q5/S5 / 10 S4 HPS Street Front Brake Pads
$191.99
HAWKHB641F.696
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk 2009-2014 Audi A4 HPS 5.0 Front Brake Pads
$197.99
$197.39
HAWKHB641B.696
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk 2009-2009 Audi A4 Cabriolet HPS 5.0 Front Brake Pads
$226.99
$223.49
HAWKHB538B.760
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Performance
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
Hawk 97-04 Audi A4/00-03 A6/00-02 S4/00-06 TT / 02-04 VW Golf GTI Rear Blue 9012 Race Brake Pads
$191.99
HAWKHB364E.642
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Pads - Racing
Brakes - All
Brakes, Rotors & Pads
HAWK Performance
Newest Products
High Performance Street disc brake pads are legendary for increasing stopping power on street-legal vehicles. Increasing the performance of your vehicle’s braking system is...
H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Sway Bar Kit - 30mm Front/24mm Rear
$748.33
HRS72361
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Newest Products
Suspension
Sway Bars
H&R'sport Sway Bars are designed for drivers'who desire improved handling without lowering or affecting ride quality. H&R'sport Sway Bars increase your suspension's roll stiffness-or...
H&R 96-01 Audi A4 Quattro (AWD) B5 Sport Spring
$422.33
HRS50396
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 00-03 Audi S4 (AWD) Sport Spring
$421.63
HRS50377
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Super Sport Spring
$462.33
HRS50361-77
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Only from H&R, Super Sport Springs have all the features of Sport Springs, plus additional lowering-great for the seasoned enthusiast looking for a little...
H&R 09-16 Audi A4/A4 Quattro/S4 (2WD/4WD) B8 OE Sport Spring
$461.63
HRS50361-55
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Only from H&R, OE Sport Springs are for those who desire a slight increase in handling and control. You can expect reduced body roll...
H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Sport Spring
$461.63
HRS50361
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 17-20 Audi A4 Premium/A4 Premium Plus/A4 Prestige (2WD) B9 Sport Spring
$509.67
HRS50357
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 17-21 Audi A4 Premium/A4 Premium Plus (2WD) B9 Street Perf. Coil Over (Before 7/11/16 & w/o MRC)
$1,826.67
HRS50356
All Products
Audi A4 / S4 / RS4
Best Selling Products
Coilovers
H&R Suspension
Newest Products
Suspension
Suspension - All
H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each...
H&R 04-08 Audi S4 (AWD) V8 8E Sport Spring (Incl. Facelift Model)
$423.12
HRS50314
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 96-01 Audi A4 Quattro (AWD) B5 Race Spring
$421.63
HRS29996-1
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
H&R Race Springs are designed for high performance drivers'who want the most out of their vehicles. When the need for uncompromised handling performance becomes...
H&R 02-08 Audi A4/A4 Avant (2WD) 4 Cyl 8E Sport Spring (Incl. Facelift Model)
$421.18
HRS29369-1
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 02-08 Audi A4 Avant Quattro/A4 Quattro (AWD) V6 8E Sport Spring (Incl. Facelift Model)
$423.61
HRS29368-2
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 02-08 Audi A4 Avant Quattro/A4 Quattro (AWD) 4 Cyl 8E Sport Spring (Incl. Facelift Model)
$423.12
HRS29368
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Street Perf. Coil Over
$1,928.24
HRS29092-1
All Products
Audi A4 / S4 / RS4
Best Selling Products
Coilovers
H&R Suspension
Newest Products
Suspension
Suspension - All
H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each...
H&R 09-14 Audi A4 Avant Quattro/S5 Cabrio (AWD) B8 Sport Spring
$461.63
HRS29061-2
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Ultra Low Coil Over (Tuner Fitment)
$1,926.95
HRS29019-1
All Products
Audi A4 / S4 / RS4
Best Selling Products
Coilovers
H&R Suspension
Newest Products
Suspension
Suspension - All
H&R Ultra Low Coil Overs are for the over-the-top enthusiasts who want extreme lowering. We suggest they be installed only by tuners-who are familiar...
H&R 13-16 Audi A4 Allroad (AWD) B8 Sport Spring
$463.61
HRS28969-1
All Products
Audi A4 / S4 / RS4
Best Selling Products
H&R Suspension
Lowering Springs
Newest Products
Suspension
Suspension - All
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower...
Goodridge 05+ Audi A4 & S4 Brake Lines
$287.41
GRI30006
All Products
Audi A4 / S4 / RS4
Best Selling Products
Brake Line Kits
Brakes - All
Brakes, Rotors & Pads
Newest Products
Goodridge stainless steel brake or clutch hose kits are available to suit all models of car, whatever the make. Kits feature the finest quality...
Fidanza 00-02 Audi S4 2.7L / 97-02 RS4 Aluminum Flywheel
$519.19
FID112621
All Products
Audi A4 / S4 / RS4
Best Selling Products
Drivetrain
Flywheels
Newest Products
whether it be in overall balance, critical clearances or improved design, our flywheels are built for performance. Machined from the highest quality 6061 T6...