Installation Guide
Although this installation isn't complicated, it can cause headaches. Get a friend to help with tasks such as test fitting and securing the roll bar to the chassis. Try to work where there's ample lighting and space to open both doors wide.
For Project Silverstone, we opted to retain the factory interior, including the rear seat and panels. This made the installation more time-consuming, resulting in five hours of labor. If you plan to strip your car, the work would be much faster.
1. Remove interior components, including all seats, floor mats, lower-side panels and rear quarter panels. Also remove rear wheels and fender liners
2. Test fit the roll bar by pressing mounting points against the chassis. The bar comes in three pieces, but easily installs in one piece inside the car. Check to see that the bar aligns evenly and rests flush to the chassis. If it doesn't, it may have bent in shipping
3. Each mounting point requires four holes to secure the bar. Drill after test fitting the bar
4. Once the holes are drilled, refit the rear quarter panels and determine where to cut the panels and carpet so the bars will go through
5. Once location of the holes is determined, use proper tooling to trim the plastic and carpet
6. Refit driver and passenger bar sections by sliding the bar through the trimmed panels and then securing the plates using the nuts and bolts supplied. Each mounting point uses a plate outside the car with three bolts
7. Install the main roll bar section by connecting it to the rear sections and fixing it to the chassis with the plates, bolts and nuts
8. Refit all interior components
Here's the hardware to mount the roll bar | 
The first step is removing the seats and side panels | 
After the interior is removed, test fit the bars. Keep the bars protected from scratches with plastic or padding |
While test fitting, make sure all mounting points sit flush to the body | 
Once you know the bar sits right, determine where the panels need trimming | 
Drill the holes in order to refit the factory panels using a circular cutter from your local hardware store |
Proceed to drill three holes for each mounting position | 
Once the two rear bars are fixed to the rear fenders, fit the main bar. In our case, we used a mallet to connect the bar | 
Tightening the bolts can be difficult. Have one person secure them outside while the other stabilizes them inside |
SOURCE
Autopower Industries
www.autopowerindustries.com
619-297-3300
When owner Rick White of Autopower Industries explained his company's history and racing experience, we were happy to seek his expertise. Rick attempted land speed records at Bonneville and is currently racing a 5sec drag car. With years of high-speed experience, there was no question our GTI was in good hands.
Autopower bars are made in-house from start to finish
Autopower first started manufacturing safety equipment as well as exhaust components in the '60s. Rick took over in '73 and shifted focus solely to safety. Today, it has an enormous catalog of products beyond rollcages and bars, including harnesses, nets and more. They're certified to build safety equipment for various racecars, and their resum includes the VW Cup series, Honda R&D, Firestone, Goodyear and more recently, professional drift cars.