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4.62
4.62

Stainless Steel Rear Silencer, MX5 Mk3/3.5/3.75

SKU: SI5614

This is likely to be one of the highest quality exhausts you are ever likely to find! Hand crafted right here in the UK by a PTR Exhausts.

PTR are the designers and suppliers of 2012 British Formula 3 exhausts for Class A Nissan and Class B Mugen Honda engines so this exhuast is built with real knowledge of how to extract the most from your MX-5 performance. We think that the exhaust note is just right, it give a decent growl under hard acceleration but is not intrusive at cruising speeds.

It features include a 2 into 1 merge collector and a free flowing unrestricted design.
2.5" splits into 2 x 2" outlets with 3.5" slash cut inward rolled stainless steel tailpipes.
Tailpipes attach with stainless steel mikalor clamps (supplied) and can be adjusted in and out to suit the mk3 and mk3.5 (and mk 3.75!) rear bumpers even with rear skirts fitted.
Fits directly onto a standard mazda centre section.

Fits all Mk3, Mk3.5 & 3.75 models, 2005>2015

4.71
4.71
4.71

Based on 7 reviews


Nick Turnbull
4
4
Ordered one of these for my Mk3. Well made and in the UK. Good service and quick delivery from MX5 parts as always. Sounds great and is lighter than the factory exhaust. However, I found that the tailpipes extend some way out, much further than the factory unit. This may not be as noticeable on the 3.5 MX5 fitted with the rear diffuser? A personal choice I guess, as some owners might be happy with a longer tailpipe. I felt that I needed to chop an inch of the length of the tailpipe, which then brought the tip of the exhaust much closer to the body of the car. This is very easy to do, just take you time.
19/09/2014 12:16:22
John Mitchell
4
4
The silencer is definitely of the highest quality with regard to the stainless steel used and the welding standard.The silencer note is quieter than I anticipated under hard acceleration. I would say it's a deeper sound version of the standard box.My subjective assessment suggests that it affords an improved acceleration rate.When fitted on my Mk3 the tailpipes protruded too far out from the back of the car even when adjusted fully back. I was forced to have the box exhaust pipes cut back to enable the tailpipes to be fitted inside the length of the car. It was incredibly hard to cut the stainless steel tubing because of its apparent high chrome content.The silencer was not adequately protected in the cardboard delivery box with the mounting spigots sticking out
25/07/2014 12:16:23
ian argust
5
5
I bought this to replace the official Mazda "Sebring" back box I had fitted, which didn't have a deep enough growl for my taste. This one from "PTR" fits all my requirements.Delicously deep and growling, and sounds good in tunnels especially when warmed up, with smooth power from the off. I do have a k&n panel filter fitted too. Superb quality, and easily fitted (30 min) by a local garage for a tenner!!My only gripe really is with the packing, if the exit pipes had more protection, as mine were squashed in abit.Otherwise i would definately recommend this to anyone who is considering changing their rear silencer.
05/02/2014 12:16:25
Stuart Fowler
5
5
Fantastic product but with a word of warning...I have fitted this to a vehicle which already has an uprated BBR manifold, centre section and sports cat. I felt that the standard silencer really didn't do it justice and wanted something sportier. Adding this box made its VERY loud - to the point where I may have to revert to the standard box to avoid complaints. If the other reviews are anything to go by, fitted to a stock system this should be a great - as a full system its beyond mental. Offensively loud. Good news is the box is beautifully made and definitely feels like performance has improved!
02/01/2014 12:16:26
Michael Morgan
5
5
I deliberated long and hard before finally deciding on the PTR silencer, my main criteria being sound (of course!), quality of manufacture and appearance. The quality of fabrication is first class, with very neat welding throughout. The main body of the silencer is not polished and printed part numbers on the silencer box are visible from behind the car. I'm not particularly bothered about this as I'll remove the markings and give the unit a basic polish in due course. The end pipes come highly polished and look great, and the complete unit is an example of British engineering at its best. PTR make systems for some formula 3 racing cars.The NC MX5 with standard silencer sounds insipid and not as a sports car should sound, in my opinion. I wanted a distinctive sound, worthy of this roadster, without being anything like 'boy-racer' loud and this is why I chose the PTR, having made enquiries of the manufacturer and others, as well as watching - or rather listening to! - YouTube videos. I must say I'm delighted with the actual sound on my car and can best describe it as a subdued growl. Anyone contemplating a replacement silencer for their NC would do well to give this item serious consideration.
06/09/2013 12:16:27
Steven Wright
5
5
I was with Ray (review above) at the National Rally and also bought this rear silencer for my 2011 Sport Tech Roadster.The factory fit silencer box has captive studs so you will need replacement stainless steel bolts and nuts, hopefully MX-5 Parts will supply these with the exhaust now that Ray made them aware of the omission.I took the easy option and had it fitted by my local garage, there is a noticeable difference in the car's performance, and this in some part may be due to the weight reduction from the factory fit unit, but also because the exhaust is more efficient. Great exhaust, good sound and not intrusive.PTR have a Facebook page where I put my comments and had a quick response.
11/10/2012 12:16:32
Ray Phillips
5
5
Ordered this silencer at the National Rally, delivered in a couple of days usual fast service. A couple of points, first a squirt of WD40 on the hanging rubbers will assist in the removal of the old exhaust, second on my car the Miyako version the bolts to connect to the centre pipe are in fact studs that are fixed to the silencer side of the connection so two 45mm bolts will be needed to connect the new silencer. Fitted the silencer and then adjusted the two chrome tail pipes to fit. Very pleased, no difference to exhaust note on idle but a very pleasant deep burble on acceleration, believe there is an improvement in performance it certainly seems more responsive. Well worth the money and the quality is first rate.
26/09/2012 12:16:32

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