NA exhaust

warrior · Post by **warrior** » Wed Nov 09, 2011 3:35 pm

Before I put in my supercharger I am going to do the exhaust on my 1.6 NA. I have a stainless steel rear muffler coming but need some headers and a conecting pipe. So I have a couple of questions.

1. Any one know where I can get some good headers? REDLINE PERFORMANCE have some stainless ones for sale on trade me for $299. Anyone used these? They look great but are they any good?

2. I will be removing the CAT but should I stick with a pre silenser or just use a straight through pipe?

3. Where is a GOOD exhaust shop that does not charge an arm an and leg for work?

Any help you can give would be great

m4vr1k · Post by **m4vr1k** » Wed Nov 09, 2011 5:57 pm

1. Don't know

2. Yes, replace the cat with a Coby or similar. Replacing with a bit of pipe can make the exhaust have a horrid cackle in it, especially on overrun

3. What part of Auckland are you in? I know plenty of good exhaust shops in Rodney, but other than that, I have had two exhausts done by Pitstop in Wairau road, and was very happy.

Also, for the best flow, make sure you use a shop with a mandrel bender, or purchase exhaust donuts. Keeps the diameter of the pipe consistent through the whole system.

sprsta · Post by **sprsta** » Wed Nov 09, 2011 6:03 pm

born_disturbed has a set of 1600 jasma's
try pm'ing him

takapuna mufflers or pitstop grey lynn both do good work

warrior · Post by **warrior** » Wed Nov 09, 2011 6:18 pm

Thanks for that, I am in Manurewa and will travel to a good shop if I have to. Will be going with mandrel bends 100%. Will only need a mid pipe after I get the headers and muffler so not hard to make im sure.

Post by **jif** » Wed Nov 09, 2011 8:07 pm

1/ headers - make sure whatever you get works with a hotside supercharger (assuming yours is not a coldside kit)
2/ ask the muffler shop (see #3), they prob have a very good idea of results having done it before.
3/ I've used Al's mufflers (Wairau park) several times and am v.happy - but any other place that advertises in the back of hot rod magazines would also be pretty good I'd think.

The final exhaust on mine (after several changes!) was 2.5" , with a resonator and S-bend (ie non-chambered) rear can. It was a bit quiet with the turbo, but would prob perk up a bit with a SC. :]

HTH-

-j

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SLYDIT · Post by **SLYDIT** » Thu Nov 10, 2011 7:13 am

if your thinking about headers/extractors then budget on a new oxygen sensor too.

most extractors place the O2 sensor too far away from the engine and they dont get hot enough..you have to fit a heated O2 sensor.

sprsta · Post by **sprsta** » Thu Nov 10, 2011 7:30 am

Or if your going with a super charger you should be going with a wbo2 anyway, they're pretty cheap now days

warrior · Post by **warrior** » Thu Nov 10, 2011 9:54 am

sorry but what is that?

punkoutnz · Post by **punkoutnz** » Thu Nov 10, 2011 10:07 am

Short for wide band O2 sensor.

warrior · Post by **warrior** » Thu Nov 10, 2011 10:20 am

right.......thanks

SLYDIT · Post by **SLYDIT** » Thu Nov 10, 2011 8:24 pm

heres what your after...probably cheaper than a genuine o2 sensor any way...a must have for DIY tuning...

http://www.diyautotune.com/catalog/inno ... -p-41.html

sprsta · Post by **sprsta** » Thu Nov 10, 2011 8:33 pm

I got mine from euro performance
http://www.europerformance.co.nz/
i think nz performance does them also
i paid about $300 or so with a G3 gauge about a year ago

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