ISR Performance HGC LS Swap Header 1 3/4inch Nissan 350Z 2003-2008 – Import Image Racing
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ISR Performance HGC LS Swap Header 1 3/4inch Nissan 350Z 2003-2008
ISR Performance HGC LS Swap Header 1 3/4inch Nissan 350Z 2003-2008
ISR Performance HGC LS Swap Header 1 3/4inch Nissan 350Z 2003-2008

ISR Performance HGC LS Swap Header 1 3/4inch Nissan 350Z 2003-2008

Rated 4.0 out of 5
Based on 1 review
SKU: isrIS-SSHD-350LS
Availability: Out Of Stock
Product Type: Exhaust Headers
$862.13
$907.50
$862.13
Save $45.37

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Regular Price: $907.50 - Instant discount: $45.37 = $862.13

Subtotal: $862.13
Part #: IS-SSHD-350LS

ISR Performance High Ground Clearance LS1 350z swap headers are built out of high quality 304 Stainless Steel and designed to pair with our own LS1 Swap mounts to allow for a simple and easy installation into your 350Z with maximum ground clearance in mind.

Constructed with 1 3/4 piping, the ISR Performance headers will provide excellent flow for higher horsepower applications.

These headers were designed to pair with our own LS1 Swap mounts (S-350-LSMKT) and to fit your existing 350Z Y pipe allowing a quick and easy install to your current exhaust or upgrading to an ISR Y pipe and cat back exhaust

** All ISR Performance Products are Designed for Off Road Use Only **

Whats in the box?

1x driver header

1x passanger header

2x header to head exhaust gaskets

2x 2 bolt 2.5 inch exhaust gasket.



Note: ISR orders might take a day of processing. If you need it sooner, contact us directly.



average rating 4.0 out of 5
Based on 1 review
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Review posted
Reviewed by Carl, from United States
Verified Buyer
Rated 4 out of 5

Driver side header

I used the loj mount kit with these ISR headers. The driver side hit the loj motor mount while it was on the engine stand. I had to grind about 1"off the mount for it to clear. Then I put the motor in the car, header was all over the steering shaft. I couldn't use any of the adjustment that the loj mounts allowed for because A- I move it forward headers hit the steering shaft. B- I move it back header hit the mount. I ended up finding the perfect spot which then showed me I needed to cut the cross member for my canton pan to sit in. I ended up cutting 2" back and all the way down to the weld on the front of the cross member then welding it back up with 1/8 plate steel. I was definitely not the easy drop in swap I thought I was putting together. That being said I can't blame any one company as I'm sure they designed everything off of using their own product. Headers do look very nicely made though!

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