What This Manifold Is Designed For
The HP Series Sidewinder layout offers:
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Equal-length runners for balanced exhaust flow
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T3 turbo flange configuration
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Forward-facing turbo positioning
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Improved spool characteristics
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High-horsepower capable design
It’s built for boost—not mild bolt-ons.
Type ; Items Included Gasket, Mounting Hardware, Nut, Bolt; Material Cast Iron; Placement on Vehicle Right, (Passenger Side); MPN53032418AD,53032418AC; Color Natural; Interchange Part Number 674-416; Superseded Part Number 674416; Compatible Make Dodge, For Mitsubishi, Ram; Model Dakota, Durango, Ram 1500, Raider, 1500; Year 2004-2016; Engine V6 3.7L, V6 3.6L;
Common Replacement Parts
Depending on what you need, replacement components may include:
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T3 turbo flange hardware
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Manifold-to-head gasket
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Turbo mounting studs and nuts
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Wastegate flange components
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V-band clamps (if applicable)
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Support bracket hardware
Because once you’re pushing power, hardware matters.
Why Equal-Length Matters
Equal-length runners help:
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Balance exhaust pulse timing
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Improve turbo spool consistency
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Reduce cylinder-to-cylinder pressure variance
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Support smoother power delivery
It’s not just for show—it’s functional.
Vehicle Compatibility
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Honda Civic Si (K20)
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Acura RSX (K20)
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Designed specifically for HP Series Sidewinder Equal Length T3 Manifold
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K20 motor applications only
⚠️ Always confirm flange type (T3), wastegate size, and turbo orientation before ordering parts.
Performance Reminder
Turbo manifold hardware sees extreme heat and pressure. Always:
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Use proper torque specs
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Replace damaged studs
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Check flange flatness
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Inspect for cracks during reassembly
Because boost leaks are not part of the tuning strategy.
Final Verdict
If you’re maintaining or refreshing your HP Series Sidewinder Equal Length T3 Turbo Manifold, using proper replacement components ensures reliability under high boost. Equal-length runners and T3 compatibility make this a serious performance setup—so treat the hardware seriously too.
Because nothing ruins dyno day like a missing stud.


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