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Holden Colorado RC Dual Cab 3L (4JJ1-TCX) TD July 2008 to July 2010 - Single 3" with CAT Kit.
Category: Complete exhaust systems


The Pacemaker KB5100-XCMX is a single 3in exhaust kit with cat for the Holden Colorado RC Dual Cab 3L (4JJ1-TCX turbo-diesel), listed to fit July 2008 to July 2010. The catalytic converter is part of the kit.
This is the early-RC kit with the catalytic converter retained — a single 3in run for the Colorado's 3L 4JJ1-TCX turbo-diesel, listed for the July 2008 to July 2010 window. Five concrete fitment matches sit behind it. The included cat is what separates this code from the without-cat version of the same early-RC kit.
The RC Colorado ran in distinct production windows, and this kit is scoped to the earlier July 2008 to July 2010 period. There's a separate kit for the later RC builds, so the build date is the first thing we pin down. Listing data can be imperfect, so we treat the fitment as a starting point and confirm it against your truck.
Because this kit includes a catalytic converter, it keeps the emissions hardware the Colorado relies on rather than deleting it. Pacemaker hasn't published a formal compliance status, so we'll confirm how the KB5100-XCMX sits against NSW requirements for your build before fitting rather than make a blanket claim.
Oak Flats Muffler Men supplies and fits the KB5100-XCMX in our Illawarra workshop. We match the single 3in kit and its cat to your Colorado RC on the hoist, confirm the build date falls in the early window, and check clearances and hangers before booking the bay. The listed RRP is $1,943.10, and we confirm availability against your build first.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Oak Flats Muffler Men can check this part against supplier specs, part number, image, RRP and vehicle details for customers around Oak Flats, Shellharbour, Wollongong, Dapto, Albion Park, Kiama and the northern suburbs.
Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.