5C1201 – Nissan GT-R Catted Cast Bellmouth Downpipes
Nissan GT-R 2008-2018
Congratulations on your purchase of the COBB Tuning GT-R Downpipes! The following instructions will assist you through the installation process. Please read them BEFORE beginning the install to familiarize yourself with the steps and tools needed. If you feel you cannot properly perform this installation, we HIGHLY recommend you take the vehicle to a qualified and experienced automotive technician.
IMPORTANT! Installing this kit will require custom tuning or utilizing an appropriate Stage Power Package map if you have a matching mechanical configuration. Please consult with COBB or an authorized ProTuner in your area if you have any questions!
3/8" ratchet
3/8" 10mm socket
3/8" 12mm socket
3/8" 8mm socket
3/8" 12" extension
3/8" 6" extension
This part can get frustrating very quickly. Make sure to take your time and when in doubt, add more penetrating oil or get skilled help. These bolts can easily become stripped which will require pulling the entire engine to fix, so patience is key!
Helps to figure out which map you should be on given the parts installed to your car
Main page for Nissan Installation Instructions