I have notice the is250 muffler looks likes this, http://m.advanceautoparts.com/mt/sho...flowmaster+inc. how would I do a muffler delete without bending pipes. I have gone a straight pipe on a terminator but that was simple. Saw off the muffler and use a clamp to add the tubing with some exhaust sealant. But I can't do the same on the is250 because it would fit thought the bumper hole for the the exhaust