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Numeric Racing Performance Shifter Cable Insulation Tubing

Silicone insulation tubing for Numeric Racing's performance shifter cables, an add-on that covers the metal cable ends to quiet any slight noise or vibration some owners notice coming through the shifter. It's cut in a spiral and wraps around the cable without needing zip ties to hold it in place, roughly one twist per foot. The factory rubber grommet in the firewall is reused during installation. Fits all Numeric Racing performance shifter cables, used across Porsche 911 Carrera, GT3, 911 Turbo and Boxster models.
Frequently asked
Which cars does the Numeric Racing Performance Shifter Cable Insulation Tubing fit?
Fabspeed lists this piece for: all Numeric Racing Performance Shifter Cables; Porsche 911 Carrera; Porsche GT3; Porsche 911 Turbo; Porsche Boxster. Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
What problem does this solve?
It covers the metal ends of Numeric Racing's shifter cables, which some owners hear as a slight noise or vibration coming through the shifter.
How is it fitted?
Cut the tube in a spiral, roughly one twist per foot, so it wraps the cable without needing zip ties.
Do I need a new firewall grommet?
No, you reuse the factory rubber grommet that holds the cables in the firewall.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
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