UNITRONIC DOWNPIPE FOR B8/B8.5 A4/A5
This is a Race-only product. By adding this product to your shopping cart, you are electronically acknowledging that this product is not to be installed on any registered vehicle that will be driven on any US road, street or highway. In addition, you also acknowledge that the use or installation of this product outside of the intended closed circuit racing purpose may be illegal under the Federal Clean Air Act (42 U.S.C. § 7522(A)(3))
To purchase this product, you must fill out and e-mail the form at the link below to sales@ngpracing.com. We cannot ship this product to you without a completed form.
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