AMS Performance 2009+ Nissan GT-R R35 Alpha 90mm Midpipe w/GESI Cats - 76mm Exit Exhaust- Mufflers & Tips>Catback It features a single 4"

It features a single 4" round black chrome on T-304 stainless steel tip on each tail pipe

This filter features five layers of pre-oiled cotton gauze media to provide maximum performance

we updated to a bar-and-plate core construction

one that certainly deserves attention from our engineering team

only to have the problem continue

AMS Performance 2009+ Nissan GT-R R35 Alpha 90mm Midpipe w/GESI Cats - 76mm Exit Exhaust- Mufflers & Tips>Catback It features a single 4"The Alpha R35 GT R 90mm Race Midpipe is one of the largest midpipes available on the market. Where most systems implement two 76mm (3?) pipes that merge into a single 76mm (3?) primary pipe, we offer a larger 90mm (3. 5?) primary pipe to optimize exhaust gas flow. This reduces turbulence and unwanted back pressure freeing up horsepower and improving turbo response.