ISR Mazda Miata NA 1.6 1989-1993 Performance Circuit Spec Catback Exha – Import Image Racing
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ISR Mazda Miata NA 1.6 1989-1993 Performance Circuit Spec Catback Exhaust | IS-CSEXH-NA16
ISR Mazda Miata NA 1.6 1989-1993 Performance Circuit Spec Catback Exhaust | IS-CSEXH-NA16

ISR Mazda Miata NA 1.6 1989-1993 Performance Circuit Spec Catback Exhaust | IS-CSEXH-NA16

Rated 4.6 out of 5
Based on 10 reviews
SKU: isrIS-CSEXH-NA16
Availability: 10 In Stock
Product Type: Exhaust Cat Back
$495.00
$550.00
$495.00
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Regular Price: $550.00 - Instant discount: $55.00 = $495.00


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IS-CSEXH-NA16

This Miata performance exhaust features an exceptional 2 piece design for superior results. Please note that the midsection and tail section are standard and there are no variations available. The exhaust features 2.5'' brushed stainless steel piping and flanges, and a polished stainless steel muffler with a 4'' tip.

Upgrading your exhaust system is a great way to boost your engine’s performance. Most stock exhaust systems are designed to minimize engine noise, usually at the expense of engine performance. However, with an upgraded circuit spec exhaust you can improve the flow of air through your engine, providing an extra boost of power. Not to mention, your vehicle will give off that prized rumbling sound that performance cars are known for.

NOTE: Will not work on Euro models


Whats in the BOX

  • 1x Mid pipe
  • 1x Stainless steel muffler with 4'' tip
  • 4x 2.5" Exhuast gaskets
  • 6x bolts
  • 6x Nuts



average rating 4.6 out of 5
Based on 10 reviews
  • 5 Stars
    6 Reviews
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    4 Reviews
  • 3 Stars
    0 Reviews
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    0 Reviews
100% of reviewers would recommend this product to a friend
Review posted
Reviewed by Jordan
Verified Buyer
Rated 5 out of 5

Great Sound and Quality

Ordered this exhaust because i was tired of the quiet, with the cat replacement it makes this exhaust perfect, very deep and not raspy, little drone but not enough to change my mind! Talked to someone in the chat bubble and he helped alot and i will re purchase from this site again

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Reviewed by Kylin W., from United States
Verified Buyer
Rated 5 out of 5

Amazing sound direct bolt on

Installation isn’t too inclusive and isn’t too difficult until your on the ground. Definitely do on a lift if you have access. Sounds amazing throughout all rmps and great crackles and pops on deceleration. 10/10

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Reviewed by Jared, from United States
Verified Buyer
Rated 4 out of 5

Great bang for your buck (no literally)

I have this paired with a raceland header. It give a nice deep rumble up until about 5k, starts to get a hair raspy. Might depend on the header, but overall a great sound. Does have a bit of drone on the highway, but I cruise 85mph so that’s expected at 4500rpms. Makes bangs and pops 4K and up for me (resonator cat delete).

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Reviewed by Benjamin, from United States
Rated 4 out of 5

Solid for Price

This exhaust doesn't have an obnoxious start up but once you start to drive it, it does become pretty loud from inside the car. I have stock headers so it doesn't pop when revving but it does pop a little when up-shifting above 4.5k rpm. It doesn't rasp at all and has a nice low growl to it. It does drone a decent amount above 3.5k rpms in lower gears but it's what you would expect for the price. The installation took all but 45 minutes with a lift and the right tools. Fits perfectly and couldn't be happier.

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Reviewed by Cole, from United States
Rated 5 out of 5

Really good

Really good for the price. It sounds good and looks good. It sounded how I expected it to. I would definitely recommend.

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Reviewed by Thomas, from United States
Rated 5 out of 5

Perfect Fitment!

This exhaust fit perfectly when replacing my stock one all the hangers were in perfect postion and it went right on using stock mounts

Plus it sounds perfect

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Reviewed by Justin P., from United States
Rated 4 out of 5

Sounds good at low RPMS

Sounds great at low RPMS, but it does rasp up at the top end. It also drones a lot, which can get annoying. Exhaust is perfect for a second car, but can be a little too much for a daily.

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Reviewed by Wei N., from United States
Rated 5 out of 5

Sounds Great

Super easy installation. Sounds great and backfires but doesnt drone like a manzo or yonaka exhaust. Worth the extra money for sure.

Bottom line is that it's quiet enough to drive through your neighborhood at night but makes all the right sounds when you're in a different neighborhood.

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Review posted
Reviewed by Quentin M., from France
Rated 5 out of 5

5 Stars

Perfect fitment, sounds perfectly loud!

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Reviewed by Darrick H., from United States
Rated 4 out of 5

Good Exhaust Fair Price

If you want an aggressive exhaust with a 4" tip just to show your buddies how JDM you really are, this is the way to go. All jokes aside the exhaust sounds perfectly fine, its not too loud and doesn't drone terribly unless you like to cruise at 5k RPM at all times. Fitment on my 1992 Miata was absolutely perfect and the kit comes with an extra gasket, two bolts and washers just in case you manage to break the new ones anyways. I'm only giving this exhaust 4 stars because it is quite loud and if you live in California you know this is a bad idea but you want it anyways.

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