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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

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Old 03-26-2018, 12:56 PM   #1
Roadcone
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grams 72 throttlebody w/ trd intake

has anyone done this? Will the coupler stretch over the larger throttle body or do I need to source my own?
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Old 03-26-2018, 01:45 PM   #2
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If I remember correctly the throttle body itself is bored from the inside so outer diameter is the same so it should fit


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Old 03-26-2018, 01:54 PM   #3
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If it were a modified oem the I would agree but it seems like it would be hard to go up 1/4" in size but not increase exterior dimensions.
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Old 03-26-2018, 02:24 PM   #4
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Old 03-26-2018, 02:36 PM   #5
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Old 03-27-2018, 12:56 AM   #6
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Funny thing is though, it is actually bigger in diameter. The silicone coupler I had that fit the stock throttle body did not fit on the Grams without stretching it with heat.
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