Performance Tuning

We build and tune for street and track

Service, Maintenance & Repair

We specialize in Porsche service as well as exotics, performance marques and others

Power and Handling

Dyno tuning and chassis setup

Modern and Classic

Performance for any generation

Custom Fabrication

Boise Automotive Performance, Service, and Repair

Throttleworks is the leader in building, modifying, and servicing high performance vehicles in Boise. With over 80 years of combined experience they have worked on almost every make and model from 1930s hot rods to modern day exotics.

Their technicians spend their weekends showing or enjoying their cars (okay, wrenching on them too) and understand the level of attention your car deserves. They are passionate about cars and will treat your ride like their own.

Performance, Service & Maintenance

Rad Cars for Real Life

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Tuning for the street or the track. We know what works and how to make you faster.



We can design and build almost any part you need from full roll cages to intercooler piping.


Service & Repair.

Basic maintenance should not be overlooked. We can handle all of your vehicle's scheduled services.


Engine Swaps

2JZ, LS3, S52, we've done them all.

Forced Induction

Bolt-on or custom turbo and supercharger installs.

Dyno Tuning

On our 3,000 HP, 190 MPH, AWD Mustang Dyno.

ECU Tuning

Haltech, Motec, HPTuners, Cobb, and more.


Roll Cages

Simple bolt-in roll bars to full custom cages.

Mandrel Exhaust

Bolt-on or custom exhausts systems.

Aero Package Installs

Splitters, spoilers and undertrays.

Custom Suspension

Let us get rid of your wheel gap.

Service & Repair

  • Manufacturer recommended service and inspection schedule work

  • Brake service and repair

  • A/C service and repair

  • Engine diagnosis and repair

  • Cooling system diagnosis and repair

  • Suspension diagnosis and repair

  • Emissions system diagnosis and repair

  • Electrical system diagnosis and repair

  • Pre-purchase Inspections

Projects Built


HP Capable Dyno


Talented Technicians


Recent Projects

2015 BMW M4

We have done a lot of work over the past few years getting this car ready for the customer to enjoy at the race track.iInstalled a roll bar, harnes... [...]

2013 BMW M3

On this clean V8 M3 coupe we upgraded the rod bearings with BE rod bearings along with ARP upgraded rod bolts. [...]

2017 Subaru STI

On this 2017 STI we installed ID 1700cc injectors along with an aftermarket fuel rail. We also installed a front mount intercooler and did full cus... [...]