Added Secondary Cat Delete Pipes - TopSpeed
I recently removed a FDM modified muffler and replace it with a PSE.
http://986forum.com/forums/general-discussions/56379-installed-pse-porsche-sport-exhaust-photos.html The sound of the FDM muffler was louder and more to my liking. After reading numerous threads, I elected to add secondary cat delete pipes to improve the sound of the PSE. There were three choices for the pipes; Fabspeed, Circuit Werks and TopSpeed. Fabspeed was just too much money at close to $500. I looked at Circuit Werks and didn’t care for the O2 Sensor holes that I would not use and would be plugged. They did have a mounting tab but I didn’t deem it necessary due to the weight of the pipe. I ended up settling on the TopSpeed pipes. What I really liked with their pipes is they are in two pieces. This makes the mounting very easy. I read one thread where the poster had bought Fabspeed pipes and could not get them to line up and mount correctly. He ended up taking the car in and had a shop do it for him. They had to add an extension pipe to get them mounted. The removal of the secondary cat was very easy and pretty straight forward. The mounting of the TopSpeed pipes was extremely easy. I followed the lead of others who had done this mod and attached the front but left the bolts very loose. I then attached the rear pipes. After securing the rear I went back to the front and tightened them down. TopSpeed is a vendor on this board and posted a special on these pipes back in 2012. I sent them a PM and asked if the offer was still good. It was. So instead of the $199 eBay price (or their current special on eBay of $188), they sold them to me for $160 shipped! Class act. Shipping was quick and communication was great! http://986forum.com/forums/boxster-parts-sale-wanted/33153-f-s-che-boxster-test-pipes.html As far as sound is concerned it is much better with the secondary cats deleted. http://i.ebayimg.com/00/s/NDgwWDY0MA...R(Q~~60_12.JPG |
I am hoping to do this very soon - I take it that this is OK for smog test in CA.
The pipes are a great price and I like the 2 part design. |
I've got these and I really like them.
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I also have the TS cat deletes and TS mufflers, for almost 2 years.
I have my smog test in the Fall this year, but others have done it and passed just fine. A good tip is to get the engine nice and hot before the smog as the extra emissions when cold it the reason they put 2nd cats on California cars in the first place. I posted the actual before cat delete smog test numbers way back in a thread and will update with the results from the test with the 2nd cat delete installed. Its nice to be able to quantify the results. |
It will fail the visual test if they know what to look for and where to look. For2000 and later cars in California they no longer require the tailpipe portion of the smog inspection test. It is all done through the OBD II connector.
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No issue with the CEL showing up once you install the pipes?
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Chuck I would love to hear sound bit of your exhaust system. :D |
sensors are only fore and aft the first cats in mine 2001s
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http://www.pelicanparts.com/catalog/SuperCat/1052/POR_1052_EXHPIP_pg1.htm#item0 |
Good news, thanks guys!
No more worries about the CEL then, I can jump on the pipes now... |
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A word of caution...
I fitted my Top Speed headers and cat delete pipes a few years ago and while I have great respect for the pricing / products, be aware that the drive shaft rubber boots do not take kindly to the extra heat generated by the exposed pipes - especially in stop/go driving. Last week I had to replace my inner boots (again) as the L/S had split. On closer examination, both boots were showing signs of hardening from the radiated heat after only 20,000 km (13,000 miles). This was on a 6 speed Boxster, the 5 speed may be different as they tend to last longer on the 5 speeder. The L/H side (drivers side in the US) pipe is only about 50mm from the boot, so wrapping, ceramic coating or a heat shield (as fitted to the original pipes) may be the answer. I'm debating which way to go on this.... |
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Interesting on the heat issue. The first thing I noticed was the truck didn't get nearly as hot as it use to so I thought I was in the clear on excessive heat.
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I've been running bypass pipes for 4 years/40k miles with no issues. The car is lowered, so angles/clearances may be a bit different.
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I have the top speed bypass pipes on my '02 base. My secondary cats had a rattle only when really hot so replacing with these fixed the problem and at a good price too! The car passed a New York State inspection with them as well. As for the CV joint boots, I just replaced all 4 of them. The inside boots were dried out and one outer was cracked. The boots are pretty cheap to replace just a pain dealing with all the cv joint grease.
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Didn't know this was an issue to the boots, I just wanted to keep the heat down. |
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