R1 Exhaust Manifolds


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Powerhouse Amuse R1 Exhaust Manifolds for Z34 Nissan 370Z and Z33 Nissan 350Z (HR-motor)

Part Number: AMUSE_Z34_R1EXHAUSTMANI Vehicles: , , , , Brand:

Please note that products from this brand are not typically kept in stock, and are made-to-order. As these products must be manufactured and then imported from Japan, lead times will vary. Following your order, a representative will contact you to explain the order process, and provide an estimated timeframe for delivery. Following the discussion, should you choose to continue with the order, please note that as the parts will be made for you, there will be no further option for cancellation (if there are any concerns regarding lead time, please advise us immediately during the initial follow-up). At the time of the initial contact and after being informed of the estimated lead time, should you choose to cancel, you may do so within 1 business day. You are encouraged to read and understand the full terms and conditions of the sale here.


Powerhouse Amuse created their R1 Exhaust Manifolds to maximize power gains from the 370Z’s exhaust system. The R1 Exhaust Manifolds [headers] are a complete replacement for the heavy and restrictive factory exhaust manifolds. Available in both stainless steel, as well as the ultra-lightweight full STTI titanium versions.


  • Estimated Power Output: ~395ps [~390hp] (assuming high-flow aftermarket catback, midpipe and high-flow catalysts installed, as well)
    • Stainless Steel – 6.9kg / 15.2lbs (OEM – 7.8kg / 17.2lbs)
    • STTI Titanium – 2.7kg / 6lbs (OEM – 7.8kg / 17.2lbs)

Fits VQ35HR & VQ37HR Motors on the following vehicles:

  • 2009-up Z34 370Z
  • 2007-2008 Z33 350Z
  • 2008-up CKV36 G37 Coupe
  • 2007-up V36 G35 / G37 Sedan


Bulletproof Pricing Difference

We do pricing a little differently. Every price you see includes the shipping cost to our office in Los Angeles, California. This does a few things for you; firstly it creates a built in cost savingsno hidden fees, and less hassles. The best part is we still have a price match guarantee! Click here for more information.