Description
Hardware Kit to Install a 321SS Lifetime Dundon Muffler on 997 and 991 GT3 Cup cars. The 2.5' version also works for 981 GT4/Clubsport cars retrofitting a GT3 muffler using our adapter kit.
Hardware Kit to Install a 321SS Lifetime Dundon Muffler on 997 and 991 GT3 Cup cars. The 2.5' version also works for 981 GT4/Clubsport cars retrofitting a GT3 muffler using our adapter kit.