APR CB100031 2.25" Catback Exhaust for Audi B7 S4

The APR CB100031 Exhaust is a fully polished T-304 stainless steel, CNC mandrel bent, cat-back system. The APR exhaust begins after the factory downpipes with dual 2.25" pipes, and continues back to the resonator then to the twin mufflers, each with twin polished stainless steel double walled rolled exhaust tips with the APR Tuned logo. The APR exhaust improves power and response and gives a deeper more agressive sound.

APR CB100031 Exhaust Vehicle Fitment:
The APR CB100031 catback exhaust is designed to fit the following vehicles.

CB100031 Specs:

APR CB100031 Cat Back Manufacturing:
APR exhausts are fully fabricated from T-304 stainless steel to prevent corrosion and ensure a long life. CNC mandrel bends are used to mazimize flow and performance. TIG welding and CNC'ed hangers ensure a perfect fit. Finally the exhausts are fully polished for show car looks.

APR CB100031 Catback Install:
Installation of APR catback exhausts typically takes 1-2 hours. Basic hand are necessary for installation, no cutting or welding is required. Please observe all safety precautions and follow proper installation guidelines while working on your vehicle.

APR CB100031 Cat-back Warranty:
APR exhausts are warranted to be free from defects in the materials and workmanship prior to installation. This warranty does not cover labor, misuse, faulty installation, failure of related parts or parts purchased other than from APR, LLC. This warranty extends to the original purchaser for as long as they own the vehicle and the exhaust.