The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. I kind of have the same issue, Id like something a little nicer than stock, without pissing off everyone in the surrounding counties. Depending on the slip-ons you select, you may need to remap your computer to work with the new parts. If a jet kit or fuel processor is recommended, see the FUEL/INTAKE section Basically, if all you want to do is change the sound, slip-ons may be the way to go. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installing their product. Sound great and they are Jet Hot coated, which is more durable than paint. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. DeuceMC said: I actually work at a HD dealer, and the best slip ons out there right now for the M8 are the S&S MK 45's.

The most disappointing thing is the windshield. The bike felt fine riding home but for my own peace of mind I will complete the job. They said I don't need to tune with just the slip-ons but I will soon get the Stage 1 and a tuner and do it the right way. Buy in monthly payments with Affirm on orders over 50.

(8) Thunderheader Black Thundercone Slip-On Mufflers - 1066B. different slip-ons etc it would be fantastic as we are coming over to the US for a. If anyone can advise a possible solution i.e. I have tried to make it louder than standard by adding 'Thunderheader' slip ons a SE Race fueller and SE Hi flow air. Buy in monthly payments with Affirm on orders over 50. Forums > Harley Davidson Motorcycles > Touring Models >. See the CHEMS/LUBES section for products that will help prevent or remove bluing. The Harley dealer installed the slip-ons and the windshield. Thunderheader Chrome Thundercone Slip-On Mufflers - 1061. Discoloration (bluing) is the result of tuning characteristics, cam timing, carburetor jetting, overheating, etc., and is not caused by defective manufacturing. There is no warranty on exhaust pipes and mufflers with regard to any discoloration. HarleyDavidson TravelingTall StreetGlide You wont believe the sound from these Milwaukee 8 Slip-ons I just installed on my 2019 Harley-Davidson Street Gl. Check your local laws and the manufacturers information Chrome Thunderheader 2 into 1 Exhaust Pipe System Harley Touring + Heat Shields. Not all products are legal for sale or use on pollution controlled vehicles. thunderheader slip ons For Harley davidson 17 Up Touring.

Flow director has equal area at each end, allowing exhaust gases to travel at a constant velocity over the entire length to improve exhaust scavenging.

Very happy with this setup on my Harley M8 107.

These Thunderheader slip-ons sound awesome Kept stock headpipes, add K&N HD-1717 air filter kept stock airbox, V&H FP3 tuner and you will have 'the sound' with a little more performance.

As reverse flow enters the collector, the diffuser deflects it through vents the pyramidal trap and apertures impede the reverse flow, allowing time for the exhaust valve to close Looking for a great sounding pair of slip-ons mufflers look no further.

Anti-reversion design works to impede reverse flow through the system - reverse flow can contaminate the incoming fuel/air mixture, which reduces performance and throttle response.

Designed to give maximum horsepower without sacrificing low-end torque.

Thunderheader Chrome Thundercone Slip-On Mufflers - 1061

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