Designed to Fit

2013 - 2019 Porsche 991 (Including all variants) 991.1 & 991.2

Product Details

So how do you achieve the benefits of a solid mount while retaining daily drivability? FUNCTION-FIRST Performance offers the most effective and easy to install solution. Our durable urethane rubber insert simply slides in to fill and fortify the empty voids of the OEM mount, preventing premature bushing wear and undesirable transmission movement, all while transmitting minimal added noise and vibration.

The result? Handling is taut and predictable; power delivery is immediate and smooth; gear changes are crisp and confident.

Installation can be completed in about 1-hour. Pressing out the stock transmission mount bushing is NOT necessary, since the insert halves slide in from either side and are then held in place by the transmission support brackets upon reassembly.

Choose between three hardness levels:

1. SOFT (60A) | Orange - for added performance and to restore and preserve your OEM mount with minimal NVH

2. SPORT (70A) | Yellow - for tuned and sport-oriented performance street cars, with less NVH than TRACK version

3. TRACK (80A) | Black - for optimized performance on track and racecars where NVH is not a consideration

About Function-First

Founded by a mechanical engineer, racecar mechanic, and true Porsche enthusiast, Function-First Performance was created to deliver Porsche drivers an unfiltered, visceral driving experience.

Road-going Porsches are derived from their race brethren, but much of the racecar precision and rawness is lost in the name of civility and comfort, resulting in a numbed and impure driving experience.

Our functional solutions bridge the gap to restore your Porsche's racing pedigree. By elevating performance and enhancing driver connectedness, our products will unleash your Porsche's true potential.

FREE SHIPPING / $299+

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Function-First Transmission Mount Insert (991)

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