z350convert Posted August 28, 2015 Share Posted August 28, 2015 2003 350z GT Left exhaust beginning to rattle and i know the system is badly corroded so took it in to STS Tyre Pros today and they let me see around under it to establish what needed doing. The Cats seem ok but the tin covering is rusted away and is causing the tinkling sound. The Y pipe flexis look shot. The straight pipe and the back box are heavily corroded around the joint, meaning both need replacing. So it looks like a complete Cat back replacement is necessary. STS Tyre Pros in Bromley make Powerflow systems to measure so I asked for a quote. They came up with full stainless Cat Back for £1104 inc VAT. I dont want to spend anything like that for a system that will probably out live the car and very likely it's owner, so the articles on here are really helpful, thanks to all those who contribute. Any specific advice is welcome. I am late 60s (very), would like 15% more rasp to the exhaust when engine is pushing compared to the standard system I have. I will get it fitted by a pro rather than DIY, those days have gone. Dual system or what? - don't know. Needs to look right on the car and not chavvy. MOT in Nov so might get through that first and then address the exhaust. Thanks in advance. Neil Quote Link to comment Share on other sites More sharing options...
Grundy Posted August 28, 2015 Share Posted August 28, 2015 2003 350z GT Left exhaust beginning to rattle and i know the system is badly corroded so took it in to STS Tyre Pros today and they let me see around under it to establish what needed doing. The Cats seem ok but the tin covering is rusted away and is causing the tinkling sound. The Y pipe flexis look shot. The straight pipe and the back box are heavily corroded around the joint, meaning both need replacing. So it looks like a complete Cat back replacement is necessary. STS Tyre Pros in Bromley make Powerflow systems to measure so I asked for a quote. They came up with full stainless Cat Back for £1104 inc VAT. I dont want to spend anything like that for a system that will probably out live the car and very likely it's owner, so the articles on here are really helpful, thanks to all those who contribute. Any specific advice is welcome. I am late 60s (very), would like 15% more rasp to the exhaust when engine is pushing compared to the standard system I have. I will get it fitted by a pro rather than DIY, those days have gone. Dual system or what? - don't know. Needs to look right on the car and not chavvy. MOT in Nov so might get through that first and then address the exhaust. Thanks in advance. Neil If you're on a budget. I belive Tarmac@Tarmacsportz do their own band of Y pipe at a very good price. I'd recommend a Scorpian system. Probably the quietest system (or one of ) on the market. Will be louder than OEM (so it will tick your 15% box) and is also a cheap exhaust system. Around 400 I believe. Not 100% sure if Tarmac can get that system, but I know Mitz@Cougarstore can on here 1 Quote Link to comment Share on other sites More sharing options...
StevoD Posted August 28, 2015 Share Posted August 28, 2015 Maybe look to something like the scorpion exhaust Quote Link to comment Share on other sites More sharing options...
Grundy Posted August 28, 2015 Share Posted August 28, 2015 Maybe look to something like the scorpion exhaust Too soon junior! Also OP - Avoid the garages price for that powerflow system, too expensive. 1 Quote Link to comment Share on other sites More sharing options...
StevoD Posted August 28, 2015 Share Posted August 28, 2015 Maybe look to something like the scorpion exhaust Too soon junior! Also OP - Avoid the garages price for that powerflow system, too expensive. give me a brake 1 Quote Link to comment Share on other sites More sharing options...
Sargara Posted August 28, 2015 Share Posted August 28, 2015 The Invidia Gemini system is close to standard in terms of noise, and is a full cat back system (including Y-pipe) for around £899. Take a look at the traders on here, TORQEN and Tarmac etc. Quote Link to comment Share on other sites More sharing options...
Bodyboarder81 Posted August 28, 2015 Share Posted August 28, 2015 As said above , scorpion + y pipe from Tarmac or cougar store . Or get a decent 2nd hand standard one for about £150 ..... Spend the rest on booting it to make the exhaust louder Quote Link to comment Share on other sites More sharing options...
z350convert Posted August 29, 2015 Author Share Posted August 29, 2015 Thanks for the help. Like the Scorpion sound but pretty pricy still with the Y pipe added on. Tarmac do a very good deal on the Miltek system £660 inc resonator box and Y pipe - but have seen mixed reviews. It's the old phrase "You get what you paid for" I suppose. Could get a Scorpion box and resonator bit but use a cheaper Y pipe, or would that compromise the Scorpion do you think? Open to suggestions, but don't fancy a second hand system Quote Link to comment Share on other sites More sharing options...
Bodyboarder81 Posted August 29, 2015 Share Posted August 29, 2015 (edited) That miltek option won't include a y pipe at that price I would have thought. Miltek are a league above in terms of build quality compared with the scorpion ...... I know as I've run both . If you want to do it cheap , get a 2nd hand standard y pipe ( £30-50 ) scorpion exhaust . Sorry just re read your post . Y pipes don't really make a difference in sound . As in a standard y pipe with a scorpion exhaust will sound near on identical to one with a aftermarket y pipe . Edited August 29, 2015 by Bodyboarder81 Quote Link to comment Share on other sites More sharing options...
z350convert Posted August 29, 2015 Author Share Posted August 29, 2015 Z Veteran Yes you are right, the price doesn't include the Y pipe...file:///Users/neilcollins/Desktop/Milltek%20350z%20Exhaust%20Systems%20|%20Tarmac%20Sportz.html, but if it's a good make it's still a good deal. Y pipes do go for £110 ish on ebay, some with 2.5 inch outlet and some 3. Thanks again Quote Link to comment Share on other sites More sharing options...
gillywig2 Posted August 30, 2015 Share Posted August 30, 2015 Second hand HR Y pipes would be cheaper, whilst giving a small performance increase. Quote Link to comment Share on other sites More sharing options...
roadtrip Posted August 30, 2015 Share Posted August 30, 2015 Japex are replacing my HR Y pipe on Wednesday, I believe it's in reasonable condition as Ross said it didn't need replacing. Won't know more until it's off but you'd be welcome to it if you can collect from Kings Langley. Quote Link to comment Share on other sites More sharing options...
z350convert Posted August 31, 2015 Author Share Posted August 31, 2015 Japex are replacing my HR Y pipe on Wednesday, I believe it's in reasonable condition as Ross said it didn't need replacing. Won't know more until it's off but you'd be welcome to it if you can collect from Kings Langley. Thanks for the offer. Could you let me know if it is in really good shape and how much you want for it? I'm in the South, near Bromley. Many thanks Quote Link to comment Share on other sites More sharing options...
roadtrip Posted September 1, 2015 Share Posted September 1, 2015 (edited) Japex are replacing my HR Y pipe on Wednesday, I believe it's in reasonable condition as Ross said it didn't need replacing. Won't know more until it's off but you'd be welcome to it if you can collect from Kings Langley. Thanks for the offer. Could you let me know if it is in really good shape and how much you want for it? I'm in the South, near Bromley. Many thanks I'll ask Ross for an honest opinion and to hold onto it if it's good. I'm not after any money for it, just happy to pass it on if you're happy to collect. Edited October 27, 2015 by roadtrip Quote Link to comment Share on other sites More sharing options...
Jay Kay Posted October 27, 2015 Share Posted October 27, 2015 Road trip, what was the outcome of the y pipe? Quote Link to comment Share on other sites More sharing options...
roadtrip Posted October 27, 2015 Share Posted October 27, 2015 Road trip, what was the outcome of the y pipe? Yeah it was in great shape so z350convert got it fitted with his new Cobra Y-back, great result by all accounts. Quote Link to comment Share on other sites More sharing options...
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