We sell everyone's parts. We built these because we got tired of the compromises.

Speedzone has moved thousands of headers, downpipes, and exhausts from every major brand on the market. That's not a boast — it's the reason SPDZ1 exists. When you spend twenty-seven years selling other people's hardware, you learn exactly where it falls short.

SPDZ1 is what we build when the part we wanted didn't exist.

What Makes It Different

• Fitment is the product. Anyone can bend a pipe. The value is knowing it bolts to a 2009 TSX K24Z3 without a fight. Every SPDZ1 part is built for a specific platform, not a fitment chart.
• Small batches, not warehouses. We build in runs. Sometimes that means a wait. It also means we're not sitting on a container of parts we designed to a price point.
• We still stock the alternatives. Borla, Magnaflow, Corsa — they're all on this site. We're not hiding from the comparison. We're inviting it.

The Platforms We Build For

VQ35 · K-Series · Coyote · LT1 / LT4 · B-Series · FA20 · B58 / N54 / N55 · VR30DDTT — the engines with real followings and real fitment problems.

SPDZ1 — by Speedzone Performance