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APR Bi-Pipe Kit
Audi B5 S4 2.7T 

Bolt in replacement for troublesome throttle body boot
The APR Bi-Pipe Kit eliminates any and all reliability issues of the 2.7T throttle body boot. This cast aluminum pieces features recirculation valve ports that are enlarged which helps in reducing boost spikes during gearshifts and improves turbo response after the shift. The Bi-Pipe bolts to the throttle body and is sealed by an O-ring. This is the first in a long line of products that APR has developed in-house using our SLA technology.
Tuning Application Guide
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*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.
APR Bi-Pipe Kit

Mfg Part# APR Y-PIPE KIT ES#26
Note:This product is no longer available.
This product has been superseded to ES#523080

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Manufacturer Info
APR

Documentation Library
Installation Instructions - 2.7t Bi-Pipe Install
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