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Z1 Motorsports 350Z / 370Z / G35 / G37 VQ Performance Headers
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Z1 Motorsports 350Z / 370Z / G35 / G37 VQ Performance Headers

starstarstarstar_halfstar_border 3.5/5 - (2 Reviews)
Fits models: 350Z / 370Z / G35 / G37 / FX35 / FX45

Product Description

Z1 Motorsports VQ Performance Headers are constructed with 1 3/4" 16 gauge 304 stainless steel with 3/8" flanges to prevent warping. The use of back purge TIG welding and mandrel bends creates the strongest headers with the most efficient airflow. They feature equal length runners and merge style collectors for increased scavenging.  The materials and craftsmanship are impeccable.  Z1 headers are the nicest headers available for your VQ Powered Z.

NOTE: These headers are built to be a direct bolt on to the VQ35DE, however they can be used on 07+ VQ35HR and VQ37VHR engines with the use of Stock DE Catalytic Converters, Z1 High Flow Cats, or Z1 Test Pipes, optional below.

If you have a VQ37 or VQ35HR you will need additional manifold to cat gaskets as an option below. VQ35DE's can reuse your current gaskets or purchase a new set if needed.

Note: When installing these headers, the drivers side motor mount bracket will need to be clearanced. This is a minor modification that can be completed in a short time with the proper tools.

FEATURES:

  • 304 grade, 16 gauge stainless steel construction
  • 1 3/4" equal length primaries into 2 1/4" outlet
  • Maximum airflow, race proven merge style collectors
  • Back purge, TIG welded for the ultimate in durability, performance and visual appeal
  • CNC machined 3/8" thick mounting flanges branded with Z1 logo
  • Factory O2 sensor bung locations
  • Designed to be used with NA cars and also with some forced induction systems.

The inside of the runners are smoothed for optimal flow and the merge collector is one of the best on the market.

Will not fit AWD G35X or G37X models.

These have been found to not fit RHD models without modification to clear the steering knuckle. We will not guarantee fitment with RHD.

Available Options:

Please review the product description if you are unsure about any of the options below.

Include: Upgrades:

Quantity:

List Price: $1,400.00
Special Price: $1,198.00
You Save: $202.00 (14%)
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Questions our customers have asked

Hello does this fit a 2016 370Z NISMO ? thank you
These parts will work on your 370Z with DE flanged Test pipes (Link) or High flow cats (Link)
I noticed on the 400hp package it was said these weren't compatible with the awd, is the piping different or something? or does something in the awd models cause it to have clearance issues?
AWD cars have clearance issues due to the motor mount brackets.
Does it fit a G37x sedan
No, unfortunately it does not.
Does it fit a g37s sedan?
Yes, this will fit Rear Wheel Drive model G37 or G37S. Please keep in mind the need to use a "DE" style Cat or Test Pipe.

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What our customers say

starstarstarstarstar
Tyler
April 15, 2017
I wanted to chime in on these as there is only one review and most people didn't install these themselves. Frankly the quality blew me away between the immaculate Tig to the amazing running smoothing, quality gaskets and materials. I purchased the Headers with the in house HFC's, Alldata shows 2-2.5 for the right side and 3-3.5 for the left as the steering shaft and coolant passage tube has to be removed. My 370 has low mileage so nothing really put up a fight. I was able to complete both last night (4-15-17) by myself in about 3.5-3.7 hours. Some reworking of the Stillen Exhaust was required to match the cat flanges up properly, naturally everything will need to be tweaked a little when changing all these components, nothing fits exactly perfect when brands are different. I had to swap a couple of the rearward manifold studs so they were in the correct position. Trickiest part is putting the left header in, do it with the 2 rearward studs out and make sure to remove the white plastic steering shaft extension stop so that the shaft can be properly pushed all the way up to the body as its a slip joint. I had to disconnect my A/C lines from the compressor as well to get to the very burried 10mm's that hold the coolant tube to the block Frankly it's not a difficult modification with proper tools and a lift, but don't bother if you have any doubt. All in all I love the setup, but I want some resonators for sure.