40 Series - 2.50 Offset In / 2.50 Center Out - Aggressive Sound 2014 chevrolet corvette This Tube & Fin cooler

This Tube & Fin cooler core features copper tube/aluminum cooling fin construction with embossed turbulators and 11/32" barb ends

These fittings allow you to make professional 37 Degree AN union connections

This 3" diameter True Dual Borla(r) Cat-Back(tm) system features a merge X-Pipe for increased performance and improved sound

This hardware is not necessary for all customers

40 Series - 2.50 Offset In / 2.50 Center Out - Aggressive Sound 2014 chevrolet corvette This Tube & Fin coolerThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound, this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.