Audi A4

Audi A4 System

Sport and Touring Available Improved Sound and Performance Large Application Coverage Complete Modular Systems Machined Billet Hangers

Audi A4 Exhaust System

Audi A4 Exhaust System

Audi A4 Mufflers

Audi A4 Mufflers

Audi A4 Exhaust Pipe

Audi A4 Exhaust Pipe

Part Number Application Features Year  
FPIM-0500 A4 FWD SYSTEM TWIN 3" ROUND TIPS 97-01 ORDER
FPIM-0505 A4 QUATTRO SYSTEM TWIN 3" ROUND TIPS 97-01 ORDER
FPIM-0510 A4 QUATTRO SYSTEM SINGLE 3.5" ROUND TIP 02-05 ORDER
APR Tuned

APR is an engineering firm dedicated to bringing you only the best performance solutions for your Audi or Volkswagen. Learn more about APR

FUSION EXHAUST VIDEO

 

Since 1989 Billy Boat Performance Exhaust has designed, tested, and manufactured the highest quality stainless steel exhaust systems available. Originally specializing in Porsche 911 performance exhaust systems, oil coolers, and intercoolers, B&B introduced the Tri-Flo line named after its unique 3-into-1 Porsche header. Today in its state-of-the-art facility, Billy Boat continues to develop the highest performing exhaust systems for most sports cars, trucks, and SUVs. With an in-house dyno facility and R&D staff, we stay on top of current vehicle trends and deliver products that fit and perform to an unsurpassed level of standards.