SUPERCIRCUIT sport downpipe custom made for the 3rd generation Mini John Cooper Works GP is now available! The 3rd generation Mini JCW GP is...

The exhaust headers made for the 2nd generation Subaru XV/ Crosstrek II (a.k.a. XV2) you see below is probably first of its kind in the coun...

We have developed a set of performance exhaust headers for the Ferrai F430. These headers are designed for direct replacement/upgrade for th...

The tuned-length SUPERCIRCUIT 4-2-1 Exhaust Header/ Extractor shown below is designed specially for the Honda Civic 2.0 (FD) with longer pri...

Thank you very much for the support from the local Mazda MX-5 communities, so we have chance to fabricate and install yet another custom mad...