YES YES I KNOW SOME OF YOU MIGHT BE SICK AND TIRED OF THESE SPACER QUESTIONS AND I HAVE LEARNED ALMOST EVERYTHING BOUT THEM JUST READING OTHER PEOPLES POST BUT I GOTTA KNOW ONE LAST THING...


i KNO THE 1/2 ADDS JUST A TAD BIT MORE H TO THE P HAHA BUT ITS THE GROWL UNDER THE HOOD ANY DIFFERENT FROM THE 1/2 AND THE 5/6 Iso Thermal plenum spacer???

 

yes. 5/16th's growl is subtle not as much as a 1/2 does

 

bump

 

id. be surprised if you could notice any difference standing outside the car with the two.

 

i second that



i have a 1/2" MD spacer for sale if you're interested