Product Information Mishimoto has developed a silicone transition coupler that measures 3.5" to 4". Available in black, blue, and red.
Quick view Add to Cart Mishimoto 3.5 to 4 Inch Silicone Transition Coupler - Blue - MMCP-3540BL $10.95
Quick view Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black - MMCP-R90-3540BK $57.95
Quick view Add to Cart Mishimoto Silicone Reducer Coupler 45 Degree 3.5in to 4in - Black - MMCP-R45-3540BK $56.95
Quick view Add to Cart Mishimoto 3in. to 3.5in. Silicone Transition Coupler - Black - MMCP-3035BK $11.95
