Emira GRP Third Cat Delete Pipe and Milltek Active Valve Exhaust Control Install Video

[jp129]

An alternative is using exhaust sealeant. I'm using Permatex 80335 Muffler and Tailpipe Sealer with great results. I don't see any carbon leakage on the joint. Mine was a loose fit, but did not want to expand the pipe in the event I want to change to a GRP Ti exhaust and the tolerances are a certain way.

 

[Dragoon]

An alternative is using exhaust sealeant. I'm using Permatex 80335 Muffler and Tailpipe Sealer with great results. I don't see any carbon leakage on the joint. Mine was a loose fit, but did not want to expand the pipe in the event I want to change to a GRP Ti exhaust and the tolerances are a certain way.

Good to know that's an option! I expanded my decat pipe and then upgraded to the GRP Ti exhaust without any issues. The only issue with the factory muffler is that the clamp is welded on and is limited in its clamping diameter. The GRP Ti exhaust comes with a really nice clamp that isn't fixed to the pipe and has no issues with sealing the muffler to a wider range of diameters.

 

[jp129]

Good to know that's an option! I expanded my decat pipe and then upgraded to the GRP Ti exhaust without any issues. The only issue with the factory muffler is that the clamp is welded on and is limited in its clamping diameter. The GRP Ti exhaust comes with a really nice clamp that isn't fixed to the pipe and has no issues with sealing the muffler to a wider range of diameters.

Thank you for your feedback. That's great to know.

 

[RonV]

Correct! The stock clamp is welded and has a spacer between the bolt and the nut, limiting how much it can clamp. The best thing to do is to have a muffler shop expand the decat pipe to 3" and then use a hand expander to gently open up the inlet pipe on the muffler. That allows the newly expanded decat pipe to slide in and then be securely clamped.

I made several 1.5" x 2" shims out of HVAC duct material and slid them between the band of the clamp and the pipe to get around the problem. Gives the clamp bolt enough travel to snug things up nicely.