Diamond Eye K3420A Cat Back Single Exhaust Kit Steel: Aluminized Size: 3.5" Short Description: KIT, 3.5", CBSGL; AL: TUN Long Description: KIT, 3.5" CAT-BACK, SINGLE; ALUMINIZED: 2007 - 2009 TOYOTA TUNDRA 5.7L Comments/Disclaimers: N/A