These Nissan GTR performance exhausts are made in 3"/76.2mm pipework and fit from the catalytic converter section backwards (Cat-back) these exhausts replace the centre and rear sections.
All relevant fittings and gaskets are supplied.
Example of Nissan GTR sports exhaust (de-cat and cat back).
Example of Nissan GTR sports exhaust (de-cat and cat back).
Cobra Sport Exhausts Japanese promotional video.