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if you contact TrackSpec they will send you new hardware. They had an issue with the supplier of the rivets and bolts but now have a corrosion resistant hardware kit.

I have noticed slightly lower intake temps (-1 deg) while driving, slower to climb when stopped, cools down faster when you start moving again. You can visually see the heat dissipation when stopped. I can only assume it has better aero effects as the car seems to hold speed longer when you let...

From what they told me I received the first one since I offered to do a write up on the install. the instructions I provided them will be going with each kit. John Nguyen told me they were going to offer introductory pricing on the first 10 kits. I don't want to speak for them on the price or...

a template was provided, but no rubber edging. I need to clean up some of the cuts, mostly around the side vent holes and finish it off with some flat black paint. you could put trim around the center vent but I think that would be overkill. You absolutely want to measure twice and cut once as...

If you contact them I'm sure they could help you out. John was very easy to work with..I contacted them initially back in August about this vent. They will have introductory pricing for the first 10 kits.

addl. pics

Just got done with install of Trackspec motorsports new for 15-17 GT4 center vent. This is the first one released for a customer car, and they will be running special pricing on the first 10 units they sell as a kit. I believe the kit will come with the center vent and drop in side vents. I will...

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hope this helps

Make/Model/engine/trans/packages: 2015 GT/PP Track/Course: Roebling Road Raceway, 2 March 2017 Best Lap Time: 1:32.72 Brake Pads: Stoptech Tires (Size & Model): MPSS 275/40/19 Suspension: Steeda springs, Swaybars First time on a road course, was learning the race line and having a good time!

For those that asked, here are 2 of the wheels and tires that I had a pic of on my phone. I will try and post more later today..possibly mounted up

I have a set of Forgestar CF5 18x11's with 315/30/18 Hoosier R7's. Only have to run a spacer up front to clear the struts. (I'm running 3" studs) I am looking to sell them if anyone is interested.

correction, they are the semi concave and the deep concave.

Once I get my camber dialed in I will probably be adding my @OptimumPerformance 15mm spacers

side

rear

40 et offset, but the rears are super deep concave. I got a really good deal on these since they were open box, and advertised for an S197..but since I had hub centric rings adaptors from my other set of CF5's (my autocross wheels) these mounted right up with no issues.

Here are some pics of my APR studs with 15mm spacers installed. Thank you so much to the guys at Optimum Performance for taking care of me. The 15mm spacer with the rear Performance Pack wheel is the perfect match! The fronts are good too depending on how much camber you are running. Thanks!

I used the G2 kit as well.. They stay surprisingly clean, I take my wheel off probably once a month and give the calipers and inside the wheels a good scrubbing.

They were great, the benefits were more from a lower center of gravity and the extra camber up front. They are under dampened with the factory PP shocks for track use, but they are predictable so it was easy to manage.