All good for noise-control and combined with the Track-only Add-on silencers, you can be very confident of meeting any drive-by noise limits. Looking at the V6 'S'/350 layout you can see a larger Silenced De-Cat Pipe (SDCP) compared to the 380/400 series cars. You see the internal spot-welds at each end holding the plates forming those chambers? Not an easy task, especially on an oval silencer! It's the only 70mm performance system that will get you down to the low 90's decibel readings yet still have a decent sound-track for the road when you remove the tailpipe add-ons.Ĭheck here for more info on Track exhausts!.
Only 2bular offer a straight-thru trackday silencer system which will meet ANY decibel limits on a UK track.
I use V-band connectors at the SDCP/System join for a good gas-tight connection and again at the merged tailpipe module to help adjust the tailpipes in the diffuser. The large silencer is a 70mm bore, straight-thru design (no power-loss or dangerous back-pressure introduced) with TWO internal Helmholtz resonance chambers (H2 design). This QP system is proving very popular with trackday enthusiasts.