quick flowmaster questions
Are the Super 40's the mufflers that come on the american thunder catback? Are these the loudest flowmasters? Do they come in 2.5 diameter? Where can I find them for the cheapest?
Are the Super 40's the mufflers that come on the american thunder catback? Are these the loudest flowmasters? Do they come in 2.5 diameter? Where can I find them for the cheapest?