Stainless Works 3.5in OD 4.25in Body 5in Length Race Muffler - RM35 fits_2000-2004`Subaru`Outback The factory seal trim is

The factory seal trim is seamlessly transferred to the aFe POWER housing

For the ULTIMATE ride comfort and protection

ARP Chevy LS 3/8in Flange Hex Header Bolt Kit

Built into the machined base plate are small but important details such as the raised mounting pads and strengthening ridges

Stainless Works 3.5in OD 4.25in Body 5in Length Race Muffler - RM35 fits_2000-2004`Subaru`Outback The factory seal trim isRace muffler, Made from 304 stainless steel for maximum corrosion resistance. This muffler has 3 1 2" OD inlet and outlet with perforated core, 4 1 4" diameter round body with an overall length of 5" with a mill finish. These are TIG welded for strength and durability. These kits come with a Five year limited warranty and proudly made in the USA.