UNITRONIC DOWNPIPE FOR B8/B8.5 A4/A5

Constructed of 3' T304 stainless steel mandrel bent tubing, T316 stainless steel flanges, a corrugated stainless steel flex section, and TIG welded fabrication, this downpipe is built to withstand the test of time, while performing to the max. All Unitronic downpipes come equipped with a 200-cell high flow metallic catalytic converter and all transitions are flow-matched to allow for maximum performance and airflow.

In addition, Unitronic exhausts feature an easy-to-use v-band exhaust fastening system to ensure a fast and effortless installation and precise fitment. To finish it off, an OEM-inspired catalytic converter heat-shield protects against unwanted heat radiating in the exhaust tunnel. Every Unitronic Exhaust System comes embossed with a Unitronic logo, equipped with an individualized serial production plate to ensure authenticity, and a brushed matte finish for an elegant appearance that will last a lifetime.

Features / Benefits

• 3-inch T304 Stainless Steel Mandrel Bent Tubing:
• Quality Material that will not rust and will outlast your vehicle.
• T316 Stainless Steel Flanges:
• Durable, rust proof and cnc machined.
• Factory Catalyst Position:
• Ensure maximum efficiency of the catalytic converter in line with OEM catalytic converter warm up strategy.
• 200-Cell Metallic Matrix High-Flow Catalyst:
• Highly durable Matrix allowing minimal power loss while assuring maximum efficiency and flow.
• OEM-Inspired Catalytic Converter Heat Shield:
• Help to reduce radiant heat in the engine bay.
• Direct Bolt-On Fitment:
• Use all factory exhaust hanger and doesn’t require any modification or adjustment.
• OEM Oxygen Sensor Placement:
• No need for O2 sensor extension or modification of the wiring harness.
• 4-inch Corrugated Stainless Steel Flex Section:
• High quality flex with inner interlock that will stay leak proof for years. It allows engine movement without stressing the factory rubber mounts.
• TIG Welded Construction:
• Professionally hand welded to ensure longevity, resistance and leak proof.
• Unique V-Band Fastening System Featuring Clampco® Clamps:
• Maintain a perfect alignment every time while insuring a leak proof connection every time. Fully reusable and quick install.
• Sound Absorption Technology:
• Perforated chamber packed with High quality and durable high temperature Fiberglass wool. Ensure a deep tone and unwanted frequency absorption.
• Universal Fitment:
• Come with OEM size reducer for a direct bolt-on. Optional 3” adapter available for any after market exhaust system or 3” slip fit adjustable link to match to any Unitronic exhaust system.

Hardware Included

• Unitronic B8 & B8.5 A4/A5 3' Downpipe
• Unitronic B8 & B8.5 A4/A5 3' Catalytic Converter Section
• Unitronic 3' V-Band Exhaust Clamps
• Unitronic 3' V-Band to 65mm Female V-Band Adapter
• Unitronic 3' Seal Rings

Recommended Software

• Stage 2

Install

Unitronic's 3' Downpipe fits the B8/B8.5 A4/A5 vehicles. Featuring a unique v-band fastening system and engineered using the latest in 3D modeling technology, Unitronic Performance Exhaust Systems are made easy to install.

Installation Instructions

• Click or Tap Here

This part also goes by the following cross reference.

Cross Reference Part Number: