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πŸ”₯ million parts exhaust manifold header: sdd-hdsgy99 explained - features, specifications, and benefits logo

πŸ”₯ MILLION PARTS Exhaust Manifold Header: SDD-HDSGY99 Explained - Features, Specifications, and Benefits Review

3

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Average

Revainrating 3.5 out of 5Β Β 
RatingΒ 
3.3
🌫️ Exhaust & Emissions, πŸ› οΈ Replacement Parts

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Description of πŸ”₯ MILLION PARTS Exhaust Manifold Header: SDD-HDSGY99 Explained - Features, Specifications, and Benefits

Inlet / Outlet: 1.75" / 2.25". Interchange Part Number: SDD-HDSGY99. Precision machined steel flanges that provide a tight seal at the head and allows a high flow rate through the primary tubes. Reduce the exhaust resistant, avoid interference between cylinders, can improve the efficiency of the engine. NOTICE - PLEASE PUT YOUR VEHICLE MODEL in "Your Garage" and it will verify the fit.

Reviews

Global ratings 3
  • 5
    1
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  • 3
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  • 2
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  • 1
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Type of review

Revainrating 5 out of 5

Great Performance at Affordable Price

As a self-proclaimed novice in automotive repairs, I was pleasantly surprised with this exhaust replacement part. The Million Parts SDD HDSGY99 outperformed my expectations for its affordable price. As my tests showed, it improved the engine's sound and performance. The installation process was a bit of a challenge, but with some online tutorials, I was able to finish the job myself.

Pros
  • Improves engine sound and performance, affordable price
Cons
  • Challenging installation process

Revainrating 1 out of 5

Driver side flange misaligned

Driver side flange doesn't fit at all, you have to cut and weld to make it work so I don't recommend this All just spend on Xtra and get something that fits without welding

Pros
  • Interchange part number: SDD-HDSGY99
Cons
  • Only available in black

Revainrating 2 out of 5

With more attention to detail, a great product can be created.

Manifolds look great but driver side mating flange alignment is wrong. The supplied passenger side fasteners are too short or the ball is too large to allow the flange to close sufficiently, but I used 60mm stainless steel bolts with lock washers and nuts as a bolt had to be fitted from below. With a few changes, a great product can be made.

Pros
  • Reduces exhaust drag, avoids cylinder to cylinder interference, can improve engine efficiency
Cons
  • Very expensive