Top Speed Bypass pipes initial impression

[Karl Nettgen]

I thought I should check my pipes before install after reading these posts and just found out I have two passenger side pipes.

[tony_fury]

How can a company that makes after market parts not pair the components in the boxes properly?
Seems they would have a slight amount a quality control before shipping something out the door..
puzzling...

[dagdisco03]

Good to hear Danger I was definitely expecting the placebo effect response. And I felt this livened up the bottom, mid and throttle response significantly. I was pleasantly surprised that's for sure. I was expecting more noise and slightly less power. More noise was quieter then I expected and power was butt dyno approved

[dagdisco03]

Thank god mine were right I didn't even check each side before the install. I pulled one from the box and said these look good I'm happy and started to pull the car apart. I would have found out the hard way after getting the second CAT out I unwrapped that pipe.

[2000boxster986]

I've heard of one exhaust leak with these at the small pipe connection. Anyone else experiencing this? I'll be installing these soon and am just curious if I should get some muffler paste to add to the joint. Thanks.

[delubozparts]

Originally Posted by Karl Nettgen

I thought I should check my pipes before install after reading these posts and just found out I have two passenger side pipes.

PM received, correct set replacement on the way along with FedEx return shipping Label. My apologies for our glitch on shipping dept.

[sgt brad]

well i received the second package yesterday, but won't get to open it until sometime this weekend or early next week. hopefully we have everything sorted out this time.

brad

[F1GP]

Finally got my pipes installed yesterday. Initial impression is the car sounds raspier and there's a slight increase in volume especially around 4000rpms and up.

It took 3.5hrs for my shop to do the install. It was longer than expected because they initially ran into some issues last week with rusted/fused bolts and then the discovery that I was shipped two left pipes. Yesterday they completed the installation but had some minor issues with the pipes lining up perfectly. They ended up trimming the pipes to fit properly.

Despite these issues, I'm pretty happy and the price can't be beat.

Two questions though...is it normal to have a burnt smell after the cat-bypass pipe install? Does this eventually go away?

[shadrach74]

Originally Posted by F1GP

Finally got my pipes installed yesterday. Initial impression is the car sounds raspier and there's a slight increase in volume especially around 4000rpms and up.

It took 3.5hrs for my shop to do the install. It was longer than expected because they initially ran into some issues last week with rusted/fused bolts and then the discovery that I was shipped two left pipes. Yesterday they completed the installation but had some minor issues with the pipes lining up perfectly. They ended up trimming the pipes to fit properly.

Despite these issues, I'm pretty happy and the price can't be beat.

Two questions though...is it normal to have a burnt smell after the cat-bypass pipe install? Does this eventually go away?

The smell is likely do to penetrant residue and residuals from the pipe mfg process. It should dissipate after a few heat cycles.

Glad to know it went well. Do you notice any difference in drive-ability, power. power curve...seat of the pants measurements?

[black_box]

my pipes were identical. call topspeed and they are sending another pair

[F1GP]

Originally Posted by shadrach74

The smell is likely do to penetrant residue and residuals from the pipe mfg process. It should dissipate after a few heat cycles.

Glad to know it went well. Do you notice any difference in drive-ability, power. power curve...seat of the pants measurements?

The car feels a little peppier, but it's probably due to the fact that I'm now upshifting at higher revs and driving more aggressively to enjoy the new sound.

[2000boxster986]

Received a left and right pipes from Top-Speed with no issues. Overall quality appears to be good. However like others mine did not fit as well as I was hoping. I had to do some mods. Some of the proper fitment was hampered by the exhaust modes already done to the car before I bought it. I think it's called a Pedro exhaust mod etc... The Pedro mod has the 1" pipes welded to the U tubes and not the muffler inlet. So, they were unmovable, otherwise I might have been able to tilt the U tubes down for a better fit with the hardware received in the pipe kit.
I wound up using 1 3/4" ID x 2" OD reducers and 2" stainless flexible muffler pipe to get everything to work and to assure nothing was overstressed. I don't particularly like muffler clamps and bendable pipe for exhaust mods but check out the pics below. It's a solid fit and there are no leaks. I'm running stock manifolds with pre-cats.
I don't have the car off the rack as yet but did start it up and it sounds good.