S-FLO 4” Coupler: The S-FLO 4” Coupler transitions from 4.5” to 4” to accommodate aftermarket turbo inlet pipes that are 4” in diameter.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2017-2020,2022-2026 |
Audi |
RS3 |
Base |
| 2018-2022 |
Audi |
TT RS Quattro |
Base |
All sales are final on custom order products.
PSI Proformance Inc. offers a Limited Lifetime Warranty on workmanship to the original purchaser. This warranty covers defects in materials and craftsmanship under normal use.
Refunds: Not available on custom orders.
Exchanges: May be permitted only with written approval from PSI Proformance Inc.
Customer Responsibility: The customer is responsible for all associated labor and shipping costs for exchanges or warranty claims.