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The Spectre 4-inch coupler is a black EPDM/TPE intake coupler made to join 4-inch inside diameter tubing and help route air intake assemblies. Spectre offers multiple lengths, angles and reducers to adapt different tube sizes while giving builders flexibility to create custom intakes. These couplers are not recommended for turbocharged or supercharged, pressurized applications and suit naturally aspirated setups.
Spectre Coupler 4in. ID - Black
