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I guess I'll start off the 1st topic to this 4.1 modification forum.
I just installed the HKS Sport muffler the other day. Had to take it into a performance exhaust shop, because they did a custom cat back piping through the rear subframe brace. Also, the HKS muffler was designed for an earlier RAV ('95 - '97) and mine's is a 1998; therefore, the muffler hangers ARE DIFFERENT between those model years.
The exhaust shop creatively attached new mountings to the HKS muffler so that it would fit onto my OEM muffler hanger and bracket.
You will also notice from the pictures that the cat back piping is now run through the rear subrame brace instead of underneath. Because I am planning on lowering the RAV, I did not want to sacrifice any more ground interference from the exhaust pipes if possible.
As for my 1st impressions about the HKS Sport exhaust with the custom cat back piping? It is definitely louder than OEM, especially when accelerating. Not too loud though that it would be annoying to the driver or passengers. As for power, YES!!!! I've noticed improved pickup response during acceleration and especially during hard runs to the top end. Was it worth the money spent, I would have to say yes on that too! I got the HKS muffler for about $200 USD on EBay (definitely more expensive elsewhere online). I also had to spend roughly $200 USD for the install of the muffler and custom cat back piping. I am very pleased with the results and so is the custom cold air induction on my RAV! :lol:
The exhaust shop creatively attached new mountings to the HKS muffler so that it would fit onto my OEM muffler hanger and bracket.
As for my 1st impressions about the HKS Sport exhaust with the custom cat back piping? It is definitely louder than OEM, especially when accelerating. Not too loud though that it would be annoying to the driver or passengers. As for power, YES!!!! I've noticed improved pickup response during acceleration and especially during hard runs to the top end. Was it worth the money spent, I would have to say yes on that too! I got the HKS muffler for about $200 USD on EBay (definitely more expensive elsewhere online). I also had to spend roughly $200 USD for the install of the muffler and custom cat back piping. I am very pleased with the results and so is the custom cold air induction on my RAV! :lol:


