Spec13 Motorsports

Spec13 Motorsports Spec13 Motorsports is an engineering firm devoted to creating simple, light, "cranked up" designs.

Introducing the Hayabusa swap for Miata and Exocet by Spec13 Motorsports. Spec13 Motorsports is an engineering firm devoted to bringing you the most exciting designs to crank up your Miata and beyond!

01/16/2026

What's in the box?!? Our turbo intake, that's what!

01/13/2026

V-bands are super satisfying! Making a set of headers with v- band fl**ge for a customer, but I'll be adding it as an option on the website shortly!

Throwback to building this horrifying, 1195lb, 197hp monster! It's been like 3 years, and this thing still scares me lol...
01/12/2026

Throwback to building this horrifying, 1195lb, 197hp monster! It's been like 3 years, and this thing still scares me lol The Hayabusa engine and sequential transmission feel right at home in the
Exocet!

Making some progress on these headers! The spikes are super satisfying to Weld in!
01/07/2026

Making some progress on these headers! The spikes are super satisfying to Weld in!

Working on another batch of headers! Most are spoken for, so if you're thinking of pulling the trigger, now's your chanc...
01/06/2026

Working on another batch of headers! Most are spoken for, so if you're thinking of pulling the trigger, now's your chance to take advantage of low lead times and our winter sale! $300 off Hayabusa swap kits, and 15% off site wide!

Our end of year sale is live! From now until the end of January, take $300 off Hayabusa Miata swap kits and 15% off site...
12/21/2025

Our end of year sale is live! From now until the end of January, take $300 off Hayabusa Miata swap kits and 15% off site wide!

12/20/2025

Throwback to testing the Miata Hayabusa swap kit at

12/18/2025

It's been a while since I've had this car out. Hoping to get to the track with it this season!

Have you heard you can get BRAND NEW AE86 chassis on Alibaba? It's a 1:1 exact replica of the original AE86. This would ...
12/17/2025

Have you heard you can get BRAND NEW AE86 chassis on Alibaba? It's a 1:1 exact replica of the original AE86. This would be a great Hayabusa swap kit candidate and would likely be around 1500lbs!

Cleaning out the shop, I have a few items I'm selling. All items are obo, reach out for shipping.- FB RX7 Clutch type l*...
12/15/2025

Cleaning out the shop, I have a few items I'm selling. All items are obo, reach out for shipping.

- FB RX7 Clutch type l*d (works in Miata diff housing) with 1.6 axles: $425

- FC Rx7 Turbo II Clutch type l*d installed in 1.8 Miata housing (uses 1.8 Miata axles, not included): $550

-NA6 VLSD Stub axle shafts: $100

-V8 Roadster frame rail braces, brand new, never removed from packaging: $115

Address

Syracuse, NY

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