from everything ive heard, intakes do and throttle body spacers do not, im not sure because i had both already on my jeep when i bought it, all i kno is im getting better millage with them and a header then a friend is with a stock motor

WHEN THE ROAD ENDS, THE FUN BEGINS

97 sahara, 4in skyjacker lift, 33in tires, borla header & catback, 10in subs