More Power. More Fun. Plus, a Limited Powertrain Warranty
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This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne
Audi B9 S4 Quattro 3.0T Engine Parts & Accessories
- Cooling
- Covers
- Drive Belts
- Electrical
- Emissions
- Fastener Kit
- Filter
- Fuel
- Gaskets & Seals
- Ignition
- Intake
- Mechanical
- Mount
- Oil Service
- Performance
- Pulleys
- Skid Plate
- Software
- Timing
- Tools
- Turbocharger
- Vacuum System
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.
2X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-17-2026
Direct high-performance replacement for factory main bolts, providing the massive clamping force required to keep your EA839 engine's bottom end secure during high-horsepower, high-torque builds.
2X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-17-2026
Includes everything you need to replace your factory side mount radiator with the larger CSF Radiator
2X Entries Into Our F80 M3 Sweepstakes
Experience up to 20% more spark energy compared to your factory coils.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-24-2026
Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections.
2X Entries Into Our F80 M3 Sweepstakes
Removes the factory valving and replaces it with AWE’s 180 Technology® drone-cancelling resonators and resonated downpipes.
2X Entries Into Our F80 M3 Sweepstakes
Also referred to as the impulse sender
2.50" stainless steel with quad Cerakote black velvet oval tips
Fits models without factory rear sports differential
For vehicles without a sport differential
Fix leaks and keep your cooling system efficient
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Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip
Get up to +34 hp and +59 through a safe and easy to use tuning module from RaceChip
Get up to +27 hp and +44 lb-ft through a safe and easy to use tuning module from RaceChip
The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5!
T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters
304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy!