the exhaust, right? (just making sure) It should slide quite a bit at the end of the output shaft on the trans to free up enough space. Is there something blocking the driveshaft from sliding forward towards the front of the car?
1993 Nissan 300ZX Slicktop 1992 Nissan Skyline GT-R Gunmetal Gray - Long Live the Z and Godzirra! - "Love cars. Love people. Love life." - Mr. K.