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Here is my custom selectable exhaust that I have been running now for a couple months. I wanted to be able to have it quiet at times so that is why I went this route. I tried the muffler delete and it had a extremely annoying wrap that i did not like, Also good aftermarket exhaust is not selectable. It took a lot of time to figure out how I wanted to do it and decided that I wanted it to go out the factory outlet. By just making a bypass the raspy sound got taken care of in the muffler, and sounds much better than just a muffler delete.
Here are the parts that I used:
Universal Vacuum Pump Controller Control Box Kit
https://www.amazon.com/dp/B08L6SPDLM?psc=1&ref=ppx_yo2ov_dt_b_product_details
2.5 Inch DIY Custom Mandrel Exhaust Pipe Tube Pipe, 40 Inch Straight Pipe, 2.5''OD Straight & Mandrel Bend Pipe(45/90/180 Degree) Kits, T304 Stainless Steel, Universal Fitment - 4PCS
https://www.amazon.com/dp/B0BDFLFMGL?psc=1&ref=ppx_yo2ov_dt_b_product_details
2.5 Inch 63 mm Cutout Pipe Vacuum Actuator Exhaust Cutout Car Modified Exhaust Pipe Valve Remote Control Variable Close Status
https://www.amazon.com/dp/B07WQQWHLH?psc=1&ref=ppx_yo2ov_dt_b_product_details
Total Coat of about $210
Acceleration from stop
I made a connection so that the muffler could still be removed.
Warm idle open and closed sound
Here are the parts that I used:
Universal Vacuum Pump Controller Control Box Kit
https://www.amazon.com/dp/B08L6SPDLM?psc=1&ref=ppx_yo2ov_dt_b_product_details
2.5 Inch DIY Custom Mandrel Exhaust Pipe Tube Pipe, 40 Inch Straight Pipe, 2.5''OD Straight & Mandrel Bend Pipe(45/90/180 Degree) Kits, T304 Stainless Steel, Universal Fitment - 4PCS
https://www.amazon.com/dp/B0BDFLFMGL?psc=1&ref=ppx_yo2ov_dt_b_product_details
2.5 Inch 63 mm Cutout Pipe Vacuum Actuator Exhaust Cutout Car Modified Exhaust Pipe Valve Remote Control Variable Close Status
https://www.amazon.com/dp/B07WQQWHLH?psc=1&ref=ppx_yo2ov_dt_b_product_details
Total Coat of about $210
Acceleration from stop
I made a connection so that the muffler could still be removed.
Warm idle open and closed sound
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