DNA Exhaust for Audi A4 / A4 Quattro 1.8L (1997-2001) Catback with Polished Double Wall Rolled Tips
DNA Exhaust for Audi A4 / A4 Quattro 1.8L (1997-2001) Catback with Polished Double Wall Rolled Tips
Fitment Information
- Audi A4 Sedan / Wagon 1.8L Turbo FWD (1997, 1998, 1999, 2000, 2001)
- Audi A4 Quattro Sedan / Wagon 1.8L Turbo AWD (1997, 1998, 1999, 2000, 2001)
Specs & Feature
-
Inlet / Outlet Diameter:
- A4: 2.5 in. OD Inlet / 2.25 in. OD Main piping
- A4 Quattro: 2.25 in. OD Inlet / 2 in. OD Main piping
- A4: 2.5 in. OD Inlet / 2.25 in. OD Main piping
-
Tip Diameter (IN):
- A4: 4" ODÂ
- A4 Quattro: 3" ODÂ
-
Tip Finish: Polished
-
Material: Premium T-304 stainless steel for long-lasting strength and corrosion resistance.
-
Mandrel Bends: CNC mandrel-bent piping ensures smooth airflow and maximum exhaust velocity.
-
Construction: TIG-welded, CNC flanges deliver tight seals and durability under pressure.
-
Sound: Deep, aggressive tone — throaty at throttle, smooth while cruising, no harsh rasp.
- Performance: Dyno-proven improved torque and throttle response. Aggressive deep and smooth tone while ensures smooth exhaust gas flow, increase engine output and efficiency.
- Fitment: Includes gaskets and hardware for an easy, bolt-on or clamp-on installation.
Standard Warranty
All DNA Motoring products come with a 30-day limited manufacturer’s warranty covering defects in materials and workmanship under normal use. This warranty does not cover wear and tear, misuse, or improper installation.
⚠️ Extend Product Protection Recommended
To ensure peace of mind and protect your investment long-term, we strongly recommend purchasing an Extend product protection plan available during checkout. Extended coverage can offer added security & support beyond the standard 30-day warranty period.
Original: $259.50
-70%$259.50
$77.85

Description
Fitment Information
- Audi A4 Sedan / Wagon 1.8L Turbo FWD (1997, 1998, 1999, 2000, 2001)
- Audi A4 Quattro Sedan / Wagon 1.8L Turbo AWD (1997, 1998, 1999, 2000, 2001)
Specs & Feature
-
Inlet / Outlet Diameter:
- A4: 2.5 in. OD Inlet / 2.25 in. OD Main piping
- A4 Quattro: 2.25 in. OD Inlet / 2 in. OD Main piping
- A4: 2.5 in. OD Inlet / 2.25 in. OD Main piping
-
Tip Diameter (IN):
- A4: 4" ODÂ
- A4 Quattro: 3" ODÂ
-
Tip Finish: Polished
-
Material: Premium T-304 stainless steel for long-lasting strength and corrosion resistance.
-
Mandrel Bends: CNC mandrel-bent piping ensures smooth airflow and maximum exhaust velocity.
-
Construction: TIG-welded, CNC flanges deliver tight seals and durability under pressure.
-
Sound: Deep, aggressive tone — throaty at throttle, smooth while cruising, no harsh rasp.
- Performance: Dyno-proven improved torque and throttle response. Aggressive deep and smooth tone while ensures smooth exhaust gas flow, increase engine output and efficiency.
- Fitment: Includes gaskets and hardware for an easy, bolt-on or clamp-on installation.
Standard Warranty
All DNA Motoring products come with a 30-day limited manufacturer’s warranty covering defects in materials and workmanship under normal use. This warranty does not cover wear and tear, misuse, or improper installation.
⚠️ Extend Product Protection Recommended
To ensure peace of mind and protect your investment long-term, we strongly recommend purchasing an Extend product protection plan available during checkout. Extended coverage can offer added security & support beyond the standard 30-day warranty period.
























