Page 1 of 7 123 ... LastLast
Results 1 to 10 of 68

Thread: Who makes a good R ST RSR muffler?

  1. #1

    Question Who makes a good R ST RSR muffler?

    Any advice on sources is much appreciated.
    Attached Images Attached Images
    Last edited by Jens; 09-15-2011 at 01:38 PM.
    Endeavor to Persevere...


    Early S Reg #520
    R Gruppe #183
    O Gruppe #11
    RatBastid- '70ish 911 Ltwt Coupe, period Imsa Bilstein RSR coil-overs, 993 TT brakes, 3 litre, R/ST Pipes

  2. #2
    M & k R muffler.
    These are great
    Attached Images Attached Images

  3. #3
    Thanks Raj. Magnus, do you know the outlets' o.d. off hand?
    Endeavor to Persevere...


    Early S Reg #520
    R Gruppe #183
    O Gruppe #11
    RatBastid- '70ish 911 Ltwt Coupe, period Imsa Bilstein RSR coil-overs, 993 TT brakes, 3 litre, R/ST Pipes

  4. #4
    Senior Member
    Join Date
    Apr 2004
    Location
    35,000 ft
    Posts
    1,697
    Ben can give you any outlet size you desire. Good stuff, very lightweight.
    found my hotrod motor, close enough, but still looking for 2.4 case 6121622 72 911t

    Alle deutsch

  5. #5
    Lew, I do love the sounds your car makes. How is it to live with? Any resonant droning at cruising speeds?
    Endeavor to Persevere...


    Early S Reg #520
    R Gruppe #183
    O Gruppe #11
    RatBastid- '70ish 911 Ltwt Coupe, period Imsa Bilstein RSR coil-overs, 993 TT brakes, 3 litre, R/ST Pipes

  6. #6
    Senior Member
    Join Date
    Apr 2004
    Location
    35,000 ft
    Posts
    1,697
    Well, the 72 with early (rev1) m&k 911r muffler with 3 inch outlets had a lot of drone, I muted it down considerably, it was tolerable but still there...motor was a fairly stock '79 3.0

    The 73 has a very built up 3.0 with big carbs 46mm, je pistons, s cams.....but the muffler is a stock dansk with 3 in pipes grafted on by tre....baffles chopped, sounds great no drone....but the thing is heavy
    found my hotrod motor, close enough, but still looking for 2.4 case 6121622 72 911t

    Alle deutsch

  7. #7
    How much time do you have Jens, I gave Marek the original drawing for the 901/22 exhaust and he said he can do it in steel 0.8 mm like the originals have been!
    Porsche 911 S 1971 Kremer race car

  8. #8
    M&K mufflers are light but noisy ... annoyingly so, on my opinion.

    If I were you I'd modify a new Dansk.
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website ... Blog ... Facebook Page
    Searching for engine #907495 and gearbox 902/1 #229687

  9. #9
    Quote Originally Posted by sonett43 View Post

    The 73 has a very built up 3.0 with big carbs 46mm, je pistons, s cams.....but the muffler is a stock dansk with 3 in pipes grafted on by tre....baffles chopped, sounds great no drone....but the thing is heavy
    Do you have any pict of the modified Dansk? I was thinking about having that done.
    1997 993 C4S, Not totally stock
    2015 GTI
    1991 E30 M3
    1970 911T, Lilly. Slate Gray 3.2ss PMO etc Sold!
    http://forums.pelicanparts.com/porsc...ect-lilly.html

    Early S Register Member #1386

  10. #10
    Hi Jens, it's really about what it is you want in terms of noise and/or noise suppression, the standard Dansk RSR twin outlet rear box is a straight fit but only comes in mild steel. Noise tested with racing headers comes in at about 112db.

    Here in the UK we have developed this, a switchable RSR exhaust modelled on the Dansk version but with flaps, so it can run straight through 'open' pipes or flip the lever and it runs through the baffled box and comes in just under 105db. Just testing the stainless steel version as we speak. Explained here:

    http://www.ddk-online.com/phpBB2/vie...haust&start=15
    cheers, Mike
    Member#1664
    1972 911 S/RSR to Martini Prototype specification
    http://www.ddk-online.com/phpBB2/viewtopic.php?t=15294

Similar Threads

  1. VW Makes $23k/Porsche . . .
    By LongRanger in forum Other Porsche Passions
    Replies: 1
    Last Post: 03-19-2014, 06:46 AM
  2. What makes an S an S?
    By geshaghi in forum General Info
    Replies: 27
    Last Post: 12-03-2010, 10:32 AM
  3. Parts of muffler skirt(s) in very good shape
    By matzmann in forum For Sale: 911 Parts
    Replies: 4
    Last Post: 11-07-2010, 11:11 AM
  4. Who makes these?
    By Mike_Moore in forum General Info
    Replies: 10
    Last Post: 10-30-2008, 05:27 PM
  5. I need a good used stock muffler for my1973.5 911T
    By ljowdy in forum For Sale: 911 Parts
    Replies: 4
    Last Post: 09-17-2007, 09:46 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Message Board Disclaimer
This is a public forum. Messages posted here can be viewed by the public. The Early 911S Registry is not responsible for messages posted in its online forums, and any message will express the views of the author and not the Early 911S Registry. Use of online forums shall constitute the agreement of the user not to post anything of religious or political content, false and defamatory, inaccurate, abusive, vulgar, hateful, harassing, obscene, profane, sexually oriented, threatening, invasive of a person's privacy, or otherwise to violate the law and the further agreement of the user to be solely responsible for and hold the Early 911S Registry harmless in the event of any claim based on their message. Any viewer who finds a message objectionable should contact us immediately by email. The Early 911S Registry has the ability to remove objectionable messages and we will make every effort to do so, within a reasonable time frame, if we determine that removal is necessary.