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ODULA Stainless Steel Exhaust Manifold for Mazda RX8 (Series 1 & 2, 2003-2012)

Tubular stainless header that sharpens throttle feel, frees the Renesis to rev, and transforms the exhaust note.

RX8 stainless steel manifold showing polished tubular runners and three mounting flanges

Reviews from around the web

Independent reviews of this product gathered from other stores and owner communities.

Full exhaust setup finally finished! All top quality jap items Odula Headers/Exhaust Manifold Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium Sard Hi Flow Catalytic Convertor As always shoutout to the main man who brings the goods RX8 Upgrades

Full exhaust setup finally finished! All top quality jap items 🇯🇵 Odula Headers/Exhaust Manifold Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium Sard Hi Flow Catalytic Convertor As always shoutout to the main man who brings the goods RX8 Upgrades 💪

Full exhaust setup finally finished!
All top quality jap items
Odula Headers/Exhaust Manifold
Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium
Sard Hi Flow Catalytic Convertor
As always shoutout to the main man who brings the goods
RX8 Upgrades

New Odula RS exhaust from Japan
! Thanks heaps RX8 Upgrades , Saturday all day is fitting Marlin Anderson headers on the GT 8 ! Good times!!

$1,400

The RX8 stainless steel manifold from ODULA replaces the restrictive cast factory unit with a purpose-engineered tubular header. Built specifically around the Renesis rotary’s side-port exhaust layout, it was developed over a full year of testing and targets a verified 7 PS gain at peak power with meaningful pull from mid-range upward. This is the single most character-defining upgrade in a naturally aspirated exhaust build.

ODULA RX8 Stainless Steel Manifold Key Features

  • Isometric 3-into-1 design targets torque across the full rev range, from low-speed pull through to the top end where the Renesis loves to spin.
  • ODULA craftsmen apply individual step corrections to every flange joint using a router. This prevents the cracking that can occur when pipes are cut square to the port shape. It is a detail that separates hand-finished Japanese manufacture from mass-produced alternatives.
  • Pipe diameter and routing are chosen specifically for the rotary’s side ports, improving scavenging where the cast OEM header creates restriction.
  • Sound character shifts noticeably at every throttle position. The flat factory tone gives way to something distinctly rotary and purposeful, with no harsh cabin intrusion.
  • Finally, a single part covers both RX8 generations, suiting Series 1 and Series 2 without modification or adapters.

For rotary enthusiasts, this stainless steel header is most rewarding as the first link in a staged exhaust build. It changes how the car sounds and responds from the very first throttle opening. The difference is clearest climbing through the mid-range into the top end, where freer scavenging lets the Renesis breathe and rev with more intent.

To keep the exhaust path open downstream, pair this RX8 stainless steel manifold with the GP SPORT Exas High-flow Power Catalyser, which bridges the header to your cat-back while maintaining emissions equipment. For a complete Japanese exhaust system with a polished titanium tip finish, the HKS Hi-Power Cat-Back Exhaust with Titanium Tip is a natural final stage. Find full technical details at ODULA’s official website.

Reviews from around the web

Independent reviews of this product gathered from other stores and owner communities.

Full exhaust setup finally finished! All top quality jap items Odula Headers/Exhaust Manifold Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium Sard Hi Flow Catalytic Convertor As always shoutout to the main man who brings the goods RX8 Upgrades

Full exhaust setup finally finished! All top quality jap items 🇯🇵 Odula Headers/Exhaust Manifold Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium Sard Hi Flow Catalytic Convertor As always shoutout to the main man who brings the goods RX8 Upgrades 💪

Full exhaust setup finally finished!
All top quality jap items
Odula Headers/Exhaust Manifold
Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium
Sard Hi Flow Catalytic Convertor
As always shoutout to the main man who brings the goods
RX8 Upgrades

New Odula RS exhaust from Japan
! Thanks heaps RX8 Upgrades , Saturday all day is fitting Marlin Anderson headers on the GT 8 ! Good times!!

Additional information

RX8 Model

,

Colour

SKU OD-EXM-S1S2 Category Types , Brand:

Related RX8 Upgrades

This stainless exhaust manifold is one of the best Mazda RX-8 upgrades you can make to your Series 1 (2003-2008) or Series 2 (2009-2012). Exhaust manifold upgrades are among the top Aftermarket mods you can buy from ODULA for owners who want better performance and reliability from their RX8. If you are looking for rx8 stainless exhaust manifold for sale in Brisbane (QLD), Sydney (NSW), Melbourne (VIC), Canberra (ACT), Adelaide (SA), Darwin (NT) or Perth (WA), you’ll find high-quality Japanese Exhaust upgrades at RX8 Upgrades.

Frequently Asked Questions

Does this ODULA stainless steel manifold fit both Series 1 and Series 2 RX8 models?

Yes. The ODULA stainless steel exhaust manifold is designed to fit both Series 1 (2003-2008) and Series 2 (2009-2012) RX8 models without any modification required. A single part covers the full production run.

What difference will I notice over the factory cast manifold?

The tubular stainless construction improves exhaust scavenging compared to the restrictive cast OEM unit, which translates to a stronger, more connected rev feel through the mid and top end. The exhaust note also sharpens noticeably across every throttle position, becoming more purposeful and distinctly rotary without unwanted drone.

Is ODULA a reputable brand for rotary engine parts?

ODULA is a respected Japanese rotary specialist that designs exclusively around the rotary platform. Their parts are known for precise fitment and quality materials, reflecting the focused engineering that comes from a brand built solely around rotary applications.

Will fitting a stainless steel manifold cause drone on a highway cruise?

The ODULA stainless steel manifold is designed to sharpen the exhaust note without introducing unwanted drone. The character change is toward a more purposeful rotary sound rather than an intrusive or antisocial one at cruising speeds.

What other exhaust parts should I pair with this manifold?

For a complete naturally aspirated exhaust build, a high-flow catalyst fitted downstream of the manifold keeps the exhaust path open while retaining emissions equipment. A matched cat-back system then completes the setup and lets you tailor the final sound and finish to your preference.

Is the manifold a direct bolt-on replacement or does it need fabrication?

The ODULA manifold is a purpose-engineered replacement built specifically for the Renesis rotary engine and is designed to bolt directly in place of the factory cast unit on both Series 1 and Series 2 RX8 models without modification.

What material is the manifold made from and why does it matter for a rotary?

The manifold is constructed from tubular stainless steel, which is more resistant to heat and corrosion than the cast iron OEM unit and allows the tubing to be shaped for improved exhaust scavenging. For a high-revving Renesis rotary engine, better scavenging directly supports the engine's ability to breathe freely through the rev range.