Patch Posted September 15, 2012 Share Posted September 15, 2012 What's peoples thoughts on running true duel exhausts on N/A zeds? Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 15, 2012 Share Posted September 15, 2012 Got a custom one at the moment = great torque but about to buy a new one which is less likely to bend my rods when I go S/C still staying true dual as it sounds Quote Link to comment Share on other sites More sharing options...
Patch Posted September 15, 2012 Author Share Posted September 15, 2012 I'm the verge of buying a true duel exhaust,but had a pm from somebody saying that they only benefit on F/I zeds. Quote Link to comment Share on other sites More sharing options...
4RE Leather Posted September 15, 2012 Share Posted September 15, 2012 I'm the verge of buying a true duel exhaust,but had a pm from somebody saying that they only benefit on F/I zeds. Name that PMer!! It's all new to me:) Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 15, 2012 Share Posted September 15, 2012 I'm the verge of buying a true duel exhaust,but had a pm from somebody saying that they only benefit on F/I zeds. The thing that swayed me is american designs on their V6/8 engines and most use true dual of some sort (x/h-pipe or no cross over) no offence to the jap die hard fans (myself included) but they have more experience of straight or inline engines = single pipe back. Depends on what you want top end hp = free flowing with a small back pressure or if you want mid range torque add a bit more back pressure = my problem at the moment (too many tight bends near the rear). Quote Link to comment Share on other sites More sharing options...
Lexx Posted September 15, 2012 Share Posted September 15, 2012 A TD exhaust is perfectly fine on a NA Zed. If you went TT then it would be practicaly a neccesity which is where the advice you previously got is based. They won't give you any power gains on a non tuned car.....but no exhaust would. Name that PMer!! It's all new to me:) What the hell are you drinking? Quote Link to comment Share on other sites More sharing options...
glrnet Posted September 15, 2012 Share Posted September 15, 2012 A TD exhaust is perfectly fine on a NA Zed. If you went TT then it would be practicaly a neccesity which is where the advice you previously got is based. They won't give you any power gains on a non tuned car.....but no exhaust would. Name that PMer!! It's all new to me:) What the hell are you drinking? Leather restorer I think Quote Link to comment Share on other sites More sharing options...
4RE Leather Posted September 15, 2012 Share Posted September 15, 2012 A TD exhaust is perfectly fine on a NA Zed. If you went TT then it would be practicaly a neccesity which is where the advice you previously got is based. They won't give you any power gains on a non tuned car.....but no exhaust would. Name that PMer!! It's all new to me:) What the hell are you drinking? It's the meds Lexx honest lol. Interesting post though and anther snippet of good info:) Quote Link to comment Share on other sites More sharing options...
4RE Leather Posted September 15, 2012 Share Posted September 15, 2012 A TD exhaust is perfectly fine on a NA Zed. If you went TT then it would be practicaly a neccesity which is where the advice you previously got is based. They won't give you any power gains on a non tuned car.....but no exhaust would. Name that PMer!! It's all new to me:) What the hell are you drinking? Leather restorer I think What ever Franky and Benny at Dorking slipped into my Coke this lunch time! Quote Link to comment Share on other sites More sharing options...
rtbiscuit Posted September 15, 2012 Share Posted September 15, 2012 a true dual with no join between them is ok, but if you get one with an H or X pipe in it then it will be alot better. this allows both banks of the engine to scavenge exhaust gases and balance the engine. allows for a smoother run and should allow more gain. x and H pipes on V8's H pipes have a nicer note to them but X pipe allows for better gains. (or so i've been told) on an NA v6 like the zed i'd invest in either a custom built system, or a decent brand exhaust, the invidias are very good. Quote Link to comment Share on other sites More sharing options...
Chris AME Posted September 15, 2012 Share Posted September 15, 2012 I have the HKS full dual system with Berks hfc's sounds to me Not tuned yet so no gains Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 15, 2012 Share Posted September 15, 2012 a true dual with no join between them is ok, but if you get one with an H or X pipe in it then it will be alot better. this allows both banks of the engine to scavenge exhaust gases and balance the engine. allows for a smoother run and should allow more gain. x and H pipes on V8's H pipes have a nicer note to them but X pipe allows for better gains. (or so i've been told) on an NA v6 like the zed i'd invest in either a custom built system, or a decent brand exhaust, the invidias are very good. Quote Link to comment Share on other sites More sharing options...
SteveRS Posted September 15, 2012 Share Posted September 15, 2012 Invidia exhausts in stock, happy to price match any UK suppliers. Send me a PM if I can help. Quote Link to comment Share on other sites More sharing options...
kershaw-350z Posted September 26, 2012 Share Posted September 26, 2012 Got a custom one at the moment = great torque but about to buy a new one which is less likely to bend my rods when I go S/C still staying true dual as it sounds how is an exaust going to bend your rods unless you have a rediculose amount of back pressure i dont understand? Quote Link to comment Share on other sites More sharing options...
Tarmac@TarmacSportz Posted September 26, 2012 Share Posted September 26, 2012 Two pipes compared to one pipe = better air flow. It's all about the air flow Manufacturers releasing new exhausts generally all do duals now, having said that the differences on an N/A car are negligible anyway. Price/exclusivity/sound are the usual factors with most customers. I was the first supplier to sell the Invidia Gemini systems in the UK and sold dozens without issue so as biscuit says they are pretty good , I won't be beaten on price so if I can help drop me a pm. Plenty of others to choose from on the website below to Forum discounts on most systems http://tarmacsportz.co.uk/350z-exhaust-systems.aspx Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 27, 2012 Share Posted September 27, 2012 Got a custom one at the moment = great torque but about to buy a new one which is less likely to bend my rods when I go S/C still staying true dual as it sounds how is an exaust going to bend your rods unless you have a rediculose amount of back pressure i dont understand? you answered your question, I think my back presure is too much as I have more torque than hp so I dont want to take the risk of my 400hp aim producing 400+ torque=bent rods Quote Link to comment Share on other sites More sharing options...
Dblock Posted September 27, 2012 Share Posted September 27, 2012 Got a custom one at the moment = great torque but about to buy a new one which is less likely to bend my rods when I go S/C still staying true dual as it sounds how is an exaust going to bend your rods unless you have a rediculose amount of back pressure i dont understand? you answered your question, I think my back presure is too much as I have more torque than hp so I dont want to take the risk of my 400hp aim producing 400+ torque=bent rods Give your rods 500tq and disconnect your exhaust you will still get bent rods. Quote Link to comment Share on other sites More sharing options...
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