i have long tubes now but have solid motor mounts and the collector is to close to floor board it is in constant contact with body.so if i swaped to some block hugger headers with my full 3.5 exhaust how much power would i loose motor is lq4 with l92 heads with l76 intake so if it is only 5-10 hp 5-10 torque should i do it

 

anybody

 

can you loosen the header bolts and adjust the collectors down?