Billy Boat 3" Twin Tips Cat-Back Exhaust - Sport (00-02 S4)

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SKU: 106779
MPN: FPIM-0530

Product Details


Looking for a Billy Boat 3" Twin Tips Cat Back Exhaust System for your 2000-2002 Audi B5 S4?  Turn some heads with a show quality product you won’t be sorry you got ahold of.  Billy Boat is known for quality.  They guarantee their products performance for a lifetime, because they build their products out of high-quality stainless steel.  Billy Boat meticulously creates each product by hand, assuring that your product is the best it can be.  As far as performance goes, Billy Boat has tested this product’s performance with an in-house dyno.  Both torque and horsepower increases were evident within the entire power band.

  • (2) 2.25" pipes that merge into one 3" pipe
  • Polished muffler and tips
  • 3.5" Twin ROUND Rolled-Edge Tips
  • TIG welded fully stainless construction
  • CNC hangers
  • All necessary gaskets included in all kits
  • Reducer included: Allows the customer to connect their factory downpipe or catback to the B&B part. 

Exhaust Sounds:

Sport System: Replaces center muffler with a smaller resonator for a more agressive sound 

*Note : Video is of Stealth System

S4 Launch Video:

Product Features

  • Lifetime Warranty
  • (2) 2.25" pipes that merge into one 3" pipe
  • Fully Stainless Steel
  • T304 Stainless Steel Construction
  • Chassis Dyno Tuned For Maximized Performance And Sound


Billy Boat Performance Exhaust offers a Limited Lifetime Warranty to the original purchaser of all non-race application products. Said products are warranted for life against corrosion and two years against any defect in workmanship and materials.

Claimed defective products must be returned with a Returned Goods Authorization number to Billy Boat Performance Exhaust at the buyer’s expense. Products returned without an RGA number are subject to refusal. Upon receipt Billy Boat Performance Exhaust will, at its option, repair or replace the defective item. Damages caused by abuse, racing or alteration are not covered under warranty.

Our products are meant for high performance use and may not be legal for highway use in some states. Sound quality is subjective and may not be covered under warranty. The warranty set above is the only warranty, expressed or implied. In no event will Billy Boat Performance Exhaust be responsible for any consequential or incidental damages or charges.

Fitment Guide

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Fitment Guide

Fitment Guide

Start Year End Year Make Model Submodel Cyl Lit Fuel FuelDel ASP EngDesg Notes
2000 2002 Audi S4 ALL V6 2.7 GAS FI T APB  

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