2004 Audi S4 Base Performance Parts

DBA's 4000 Series XS rotors feature our best technology & materials for maximum performance. High carbon & heat treated iron, patented Kangaroo Paw ventilation and a unique drill & slot pattern makes the perfect direct replacement rotor.This Part Fits: Year Make Model Submodel 2004-2008...

No matter what you drive, or how you drive it controlled stopping power, in all conditions is necessary. Brembo brake kits come with everything you need. Prime Ceramic Brake Pads minimize noise and vibration for maximum driving comfort. Also, reduced friction wear and low...

Restore lost toe adjustment due to frozen or broken adjusters on Audi A4 and S4 models with this replacement toe adjuster cam kit. The kit features a hex chromate free 700 hour salt spray tested finish and is sold per wheel. Order two kits...

Adjust front camber and caster +-1.5deg on the Audi B5/B6/B7 and C5 platforms with these forged aluminum adjustable control arms from SPC. OE style booted ball joints and bonded rubber bushings maintain factory ride, handling and noise, vibration, & harshness (NVH) parameters. Audi's unique...

Adjust front camber and caster +-1.5deg on the Audi B5/B6/B7 and C5 platforms with these forged aluminum adjustable control arms from SPC. OE style booted ball joints and bonded rubber bushings maintain factory ride, handling and noise, vibration, and harshness (NVH) parameters. Audi's unique...

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49917. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49872. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 441096. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24318. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24317. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

Bilstein B16 (PSS9) suspension kits feature ride height adjustability with 9-stage manually adjustable dampers in an OE quality, direct fit package. The 9-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits...

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 the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb...

NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior...

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 the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb...

Significant brake performance improvements using the factory calipers and pre-matched; direct-replacement (OEM) sized components. This StopTech Sport Axle Pack includes drilled & slotted StopTech Sport Rotors; StopTech Sport Pads and StopTech Stainless Steel Lines.This Part Fits: Year Make Model Submodel 2004-2008 Audi S4 Avant...