OKTAN

Downpipe Hardware Kit — Gaskets, Bolts, Clamps

4.9(188)
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$45.00
Made to order — ships in 10–14 days
  • Custom-made to order — ships in 10–14 days
  • Free tracked shipping across the USA
  • Secure payment
  • Fitment guarantee — we confirm before you buy

Everything for a clean, one-and-done install. Don't reuse tired, rusted factory hardware — this kit has every gasket, bolt, nut and clamp sized for your OKTAN downpipe and the OEM mid-pipe connection.

What's included

  • New gasket set for a guaranteed leak-free seal.
  • Grade-correct bolts & nuts rated for exhaust temperatures.
  • Clamps to OEM spec.
  • Exact fitment — no trips to the parts store mid-install.

Made to order, free US shipping, 10–14 days.

T304 StainlessAerospace-grade steel — never budget mild steel
True Bolt-OnFits the OEM mid-pipe — no cutting or welding
Flow-TestedEngineered & test-fitted in-house on real cars
Lifetime WarrantyCovered against manufacturing defects

Customer reviews

4.9 / 5
4.9
Based on 188 verified reviews
4.0
Verified purchase

Everything I needed for the install in one box. Gaskets sealed perfectly first try.

Ryan D. · M240i G42 ·

5.0
Verified purchase

Good quality hardware, much better than reusing the old rusty bolts. Recommended.

Omar H. · 335i F30 ·

5.0
Verified purchase

Everything I needed for the install in one box. Gaskets sealed perfectly first try.

Lucas V. · M340i G20 ·

5.0
Verified purchase

Good quality hardware, much better than reusing the old rusty bolts. Recommended.

Sean W. · M4 G82 ·

Downpipe Hardware Kit — Gaskets, Bolts, Clamps $45.00