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Valved Double X-Pipe Resonator Bypass
Valved version of Fabspeed's Double X-Pipe Resonator Bypass for the Dodge RAM TRX 1500 (2021+), adding electronically actuated dump valves on top of the same dual cast X-pipe design. Valves closed gives the same louder, drone-free note as the standard double X-pipe; valves open bypasses the resonator pipes completely for a raw V8 sound. 50-state emissions legal with no check engine light, and comes with the valve controller and all hardware needed. Installation needs some cutting of the factory exhaust, covered in Fabspeed's install guide, and the factory muffler can be reinstalled afterward using the supplied hardware.
Frequently asked
Which cars does the Valved Double X-Pipe Resonator Bypass fit?
Fits your Ram 1500 TRX (2021+). Fabspeed lists this piece for: Dodge RAM TRX 1500 (2021+); all Dodge RAM TRX 1500 Vehicles Worldwide (2021+). 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's the difference between valves open and closed?
Closed gives a louder but drone-free note like the standard double X-pipe; open bypasses the resonator pipes for a raw, unfiltered V8 sound.
Is the valve controller included?
Yes, all necessary hardware and the valve controller ship with the kit.
Does installation require cutting?
Yes, some cutting of the factory exhaust is needed, covered in Fabspeed's install guide.
Can I still fit the factory muffler afterward?
Yes, using the supplied hardware.
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.
