Product Description Mishimoto has developed a silicone transition coupler that measures 3.5" to 4". Available in black, blue, and red.
Mishimoto 3.5 to 4 Inch Silicone Transition Coupler - Blue - MMCP-3540BL MSRP: $14.99 Was: Now: $10.95 Add to Cart
Mishimoto 3.5 to 4 Inch Silicone Transition Coupler - Black - MMCP-3540BK MSRP: $15.29 Was: Now: $10.95 Add to Cart
Mishimoto 3in. to 3.5in. Silicone Transition Coupler - Red - MMCP-3035RD MSRP: $14.27 Was: Now: $9.95 Add to Cart