When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Go for the bolt in cat back.
Doing exhaust on your back in the driveway is no fun.
And cutting and welding mufflers that way .......... no thanks.
And as stated a full 2.5 inch system will flow better.
No take another 65 dollars and get the Flowmasters that you wanted to begin with. The Flowmaster catback can be found for about $365 if you shop around a little bit.