Build Gallery
The work.
Real builds, real customers, real numbers. This is what “we fix what nobody else can” looks like.
Build List
Get the next build in your inbox.
See builds first
Full write-ups and dyno numbers before they hit the site.
Early dyno-day slots
First crack at open dyno sessions before they fill up.
A built engine on the dyno, before and after. This is the part other
shops can’t show you.
The Reviews
The numbers don't lie and neither do they.
4.7 on Google across 137 reviews. Every word below is theirs, not ours. Read our Google reviews →
Couldn’t have asked for a better shop. Walked me through exactly what I would need to do to make the power I was looking for. Didn’t try to upsell me on things that I didn’t know need like other shops I have been to in the past. Highly recommend them and will use them again.
Steven Proksa
Performance build
Black market is the place to go thought I had a major throttle problem diagnosed in minutes that it was floor mats saved me a lot of time and stress and money go here if you want the real deal
Dillon Clouse
Diagnostics
Jeremy went above and beyond my expectations!
Probably saved my new engine. Highly recommend
BMR.
Norman Hamden
Engine save
I take my s14 here every time and they never disappoint. Jeremy and Neil are the best and can count on them.
Serg Chavarría
Nissan S14
Neil handled my Dyno pulls perfectly today. Ready
on time. Got 4 pulls and the data needed for NASA
AZ 2026 Time Trial competition. Thanks Neil.
Alvin McGill
Dyno · NASA AZ Time Trial
Your car could be next.
Bring us the build, the problem, or the project that’s been sitting. Let’s get it
done.