Win this M240i!
Every $50 spent = 1 entry*

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Win this M240i!
Every $50 spent = 1 entry*

No purchase necessary to enter or win. See official rules.


Twisted Steel Downpipe (Street Series) - With High Flow Cat

3.0" T304 Stainless system produced gains of up to +13 HP and +21 lbs Ft. TQ., as measured on AFE's in-house dyno
*Important*: This racing catalyst requires a Stage 2 ECU Remap to eliminate any check engine lights due to removal of the factory catalyst.
Mfg Part #
48-36407-YC
ECS Part #
ES#4141871
Brand
AFE
723.00
Free Shipping Free Shipping
Availability: Direct Ship, Expected Ship Date: Aug 13, 2021
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Product Details

*Important*: This racing catalyst requires a Stage 2 ECU Remap to eliminate any check engine lights due to removal of the factory catalyst.

Performance Gains:

  • This system produced gains of up to +13 HP and +21 lbs. x Ft. TQ., as measured on our in-house dyno.

3" 304 Stainless Steel Construction:

  • This system is constructed of 3" mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability.

High Flow Catalytic Converter:

  • Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow.

Heavy Duty Flanges:

  • Laser cut stainless steel flanges are used used for a secure leak-free seal.

Installation:

  • Utilizing factory style flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation.

TIG-Welded:

  • 100% TIG-welded for race proven strength and durability.

 

*This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws.*

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi B9 A4 FWD 2.0T
Audi B9 A4 Quattro 2.0T
Audi B9 A5 Quattro 2.0T
Audi B9 A5 Quattro 2.0T Sportback
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

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Manufacturer names and/or part numbers are used only for identification purposes.

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