View Single Post
Old 04-16-2021, 06:39 PM   #2
Boxstard
Registered User
 
Join Date: Apr 2016
Location: SE Michigan
Posts: 497
Underdrive pulley and 74mm throttle body from 1999 996 will get you a bit more noticeable gain, less belt noise and more intake noise too, what I did on mine.
__________________
1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
Boxstard is offline   Reply With Quote