Posted September 19, 20168 yr First time ever I have seen new SWB exhausts for sale in the UK. Look like Japspeeds. http://www.ebay.co.uk/itm/Catback-Exhaust-System-for-90-96-Nissan-300ZX-Z32-2-Seater-Dual-Muffler-/351845746526?hash=item51eba4075e:g:uYQAAOSwLnBX3~Ct
September 19, 20168 yr Author For that price you might aswell get custom made They are expensive but still nice to see someone provide for the SWB. They have one's for the LWB also.
September 19, 20168 yr SWB systems are always available from the US.... http://www.ebay.com/itm/For-1990-1996-Nissan-300zx-Turbo-4-Dual-Burnt-Tip-T-304-Catback-Exhaust-System-/311618542505?fits=Model%3A300ZX&hash=item488de99ba9:g:jnIAAOSwH6lXQ3ST&vxp=mtr A virtually identical one to your link Gary..... http://www.ebay.com/itm/Manzo-Stainless-Steel-Catback-Exhaust-Muffler-Fits-Nissan-300ZX-Z32-2-2-90-95-/380890159348?fits=Model%3A300ZX&hash=item58aed298f4:g:b-EAAOxyBC1SBCA1&vxp=mtr
September 19, 20168 yr For that price you might aswell get custom made Yup i agree,at least then it will actually be stainless,those Japspeed exhausts are low grade and corrode eventually
September 19, 20168 yr Yup i agree,at least then it will actually be stainless,those Japspeed exhausts are low grade and corrode eventually what Jim says^^^^ Iff possible try get 316 stainless and it will never rust...not like Chinese stainless steel which never see,s a winter out without going as red as the dik on a dog:rolleyes:
September 19, 20168 yr Pretty sure japspeed systems are 304. Certainly going to outlast a mild steel system but defiantly not rust proof. Even 316 will rust given time, Chinese 316 isn't quite the same either. Same as 4130 cromolly tube, get the proper stuff it's strong as ****, Chinese version, not soooo much.
September 19, 20168 yr Pretty sure japspeed systems are 304. Certainly going to outlast a mild steel system but defiantly not rust proof. Even 316 will rust given time, Chinese 316 isn't quite the same either. Same as 4130 cromolly tube, get the proper stuff it's strong as ****, Chinese version, not soooo much. The marine industry uses 316 so its got to be fine for zorsts...but it does come with a price,very brittle.
September 19, 20168 yr 304SS is just about the cheapest lowest grade of Stainless steel available. It has "Fair" corrosion resitance properties. Its considered "high-end" in the aftermarket automotive scene but in reality its just a very cheap and readily available stainless steel that you will very rarely ever see used within Motorsport for any critical parts. 316SS has comparable mechanical properties to 304SS but has improved corrosion resistance. Its more expensive than 304SS but is more likely to be used in High-end Automotive and various Motorsport applications. 321SS has improved Tensile and Yield Strength and is often used within High-end Automotive and Motorsport applications, particularly for parts expected to see Higher Temperatures. Inconel 625/718 is a Nickel-Chromium based Superalloy used extensively in Motorsport for is far superior mechanical properties at Elevated temperatures. It is however up to 10x the price of SS (depending on thickness) and much harder to get hold of. It is rarely ever seen in general Automotive use. Titanium Grade 2/5 Popular in Motorsport and high-end use for Lower Temperature applications. Less than half the Density of SS, but Pricey. You will also see variations of many of these with extra letters after the name, e.g L denotes lower carbon content for improved weld decay resitance or LCF which denotes Low Cycle Fatigue resitance for parts subjected to repeat stress frequency loads. When it comes to Stainless steel Exhausts rusting after very limited use, its sometimes due to some manufacturers using Ferretic Stainless steel like 409. Its even cheaper than 304SS and will corrode. (A quick magnet test will help identify it). Edited September 19, 20168 yr by Yowser
September 20, 20168 yr 304SS is just about the cheapest lowest grade of Stainless steel available. It has "Fair" corrosion resitance properties. Its considered "high-end" in the aftermarket automotive scene but in reality its just a very cheap and readily available stainless steel that you will very rarely ever see used within Motorsport for any critical parts. 316SS has comparable mechanical properties to 304SS but has improved corrosion resistance. Its more expensive than 304SS but is more likely to be used in High-end Automotive and various Motorsport applications. 321SS has improved Tensile and Yield Strength and is often used within High-end Automotive and Motorsport applications, particularly for parts expected to see Higher Temperatures. Inconel 625/718 is a Nickel-Chromium based Superalloy used extensively in Motorsport for is far superior mechanical properties at Elevated temperatures. It is however up to 10x the price of SS (depending on thickness) and much harder to get hold of. It is rarely ever seen in general Automotive use. Titanium Grade 2/5 Popular in Motorsport and high-end use for Lower Temperature applications. Less than half the Density of SS, but Pricey. You will also see variations of many of these with extra letters after the name, e.g L denotes lower carbon content for improved weld decay resitance or LCF which denotes Low Cycle Fatigue resitance for parts subjected to repeat stress frequency loads. When it comes to Stainless steel Exhausts rusting after very limited use, its sometimes due to some manufacturers using Ferretic Stainless steel like 409. Its even cheaper than 304SS and will corrode. (A quick magnet test will help identify it). Looks like David has it well sussed out above...good info mate:)
September 20, 20168 yr The marine industry uses 316 so its got to be fine for zorsts...but it does come with a price,very brittle. It does indeed, we used to build and assemble hand rails etc on super yachts out of it.
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