Product Name: Auto Muffler Model NO.: cm45 Type: Exhaust System Size: I. L: 3 O. L: 3 B. L: 13 O. L: 19 2 1/4" in 2 1/4" Material: Steel Muffler Type: Rear Muffler Deck: Double Trademark: chemetals Transport Package: Inner Packing: 1PC/PE Bag,10 PCS/Box Specification: GB, JIS, ASTM Origin: China Product Description 1)Material: Electrolytic Aluminium Plates or stainless steel,2)Size: I. L: 3 O. L: 3 B. L: 13 O. L: 19 2 1/4" IN 2 1/4"OUT3)It utilizes patented technology for maximum efficiency and reduction of interior resonance.4)Sounds great on late model performance cars with catalytic converters. Constructed of 16 gauge aluminized steel and fully MIG-welded for maximum durability.COMMODITYCOLORPackingSIZEFOB XINGANG PORTCARBON FIBER MUFFLER AND ORGAN STOP CH-CF001BLACKNeutral packingI.D:63.5mm I.L:50mm O.D:76.2mm B.L:324mm Width:122mmUSD26.51CARBON FIBER MUFFLER AND ORGAN STOP CH-CF002BLUENeutral packingI.D:63.5mm I.L:50mm O.D:76.2mm B.L:324mm Width:122mmUSD26.51CARBON FIBER MUFFLER AND ORGAN STOP CH-CF003SILVERNeutral packingI.D:63.5mm I.L:50mm O.D:76.2mm B.L:324mm Width:122mmUSD26.51CARBON FIBER MUFFLER AND ORGAN STOP CH-CF004REDNeutral packingI.D:63.5mm I.L:50mm O.D:76.2mm B.L:324mm Width:122mmUSD26.51