2.5Inch Inlet 6.5Inch Round Varex Muffler Holden calais performance exhausts 5" connecting pipe

5" connecting pipe

ensuring optimal exhaust flow and enhanced power delivery

ensuring durability and longevity

4L 4B12 engine

100 cell high flow cat

2.5Inch Inlet 6.5Inch Round Varex Muffler Holden calais performance exhausts 5" connecting pipeMake it loud, make it quiet, make it yours. The Patented Varex valved universal mufflers provides enthusiasts with a setup thats as quiet as the stock exhaust when you want, or that unleashes the sound of your beast when you want, all using one of the two supplied key fobs. Toggle between closed,25%,50%,75% and fully open valve positions to suit your needs. To take it to the next level, add a Smartbox for the ultimate in control using our patented