Grams 3.15 in. to 3.00 in. Reducer Coupler allows '06-'11 Civic Si, Subaru BRZ, Scion FRS, and Toyota FT86 Cold Air Intake system owners to install the Grams Performance & Design DBW Throttle Body without struggling to stretch the original coupler over the larger throttle body.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2014 | Acura | TSX | Base |
| 2012-2014 | Acura | TSX | Special Edition |
| 2008 | Honda | Civic | MUGEN Si |
| 2006-2015 | Honda | Civic | Si |
| 2006-2009 | Honda | S2000 | Base |
| 2008-2009 | Honda | S2000 | CR |
| 2013-2016 | Scion | FR-S | Base |
| 2013-2020 | Subaru | BRZ | Limited |
| 2013-2019 | Subaru | BRZ | Premium |
| 2015 | Subaru | BRZ | Series.Blue |
| 2016 | Subaru | BRZ | Series.HyperBlue |
| 2017 | Subaru | BRZ | Series.Yellow |
| 2018,2020 | Subaru | BRZ | TS |
| 2017-2020 | Toyota | 86 | Base |
| 2018-2020 | Toyota | 86 | GT |
| 2017 | Toyota | 86 | Special Edition |
| 2019 | Toyota | 86 | TRD Special Edition |
Most items ship directly from authorized distributors. Lead times vary by brand and availability.
Returns are permitted within 30 days of receiving your order under specific conditions. For more information, view our Return & Refund Policy
Professional installation available at our Metro Atlanta facility. Contact us to schedule your build.

