Drew, if your pipes are not visible anywhere you are likely to get headaches, the exhausts will possibly 'draw' back into the coupe....if not exhausting beyond the body.....back draft... in safety minded Sweden you cant even get inspected w/o the pipes outside the body...not sure about it here, esp. if 25 yrs and older...but if you drive it long drives (like to Shiner...lol) and get a headache ,thats probably it...check it out....(possibly this saturday...lol)
