Tri-Y Headers for 78-88 GM G Body 265-400 SBC 1-5/8in Primary D370Y dash-parts collapsing

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Bolt-On Yes/No Yes Cutting Required Cutting May Be Required Exit Style Single Side Exit Fuel Type Gasoline Major Performance Gas Material Aluminized Steel Minor Single Muffler Yes/No Yes Profile Tour Profile Prop 65 - Short Label Prop65warning

This direct-fit catalytic converter is designed specifically for the 2005-2007 Ford Focus and interchanges with OE part 5S4Z-5G232-CA

Material: Braided Stainless Steel

Tri-Y Headers for 78-88 GM G Body 265-400 SBC 1-5/8in Primary D370Y dash-parts collapsingOverview: Header GM G Body SBC 78 87 Ctd Doug's is the pioneering force behind the popular TRI Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid range torque without sacrificing top end power. TRI Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency. Features: 3 8" thick machined flanges to prevent warping CNC