Low and mid range power-found it!

[racer8]

I replaced my OEM head pipe on my yz 426 with one from Thunder alley.

WHAT a improvment!

Tons more of low end tourque.

[barch88]

Never heard of them.

[Fastest1]

They have been around for years. People on TT have ranted about them, and they are LOUD! Handmade pipes out of California.

[DPW]

They have been around for years. People on TT have ranted about them, and they are LOUD! Handmade pipes out of California.

Yeah...they are pretty loud, but a lot of guys swear by them...

http://thunder-alley.net/

[NYMXer]

Remember that less sound equals more ground! Loud pipes will close many riding areas. ?

[Wyatt]

I have run TA pipes on my '01, my '04 and now my '06. Good product at a great price!!

[racer8]

I`am only running their head pipe,in conjunction with my muffler.

And like I stated a GREAT improvement!!

$$$$ well spent!!

[srhines67]

How much $$ and how much louder? Would it still pass the 96 DB limit.

[odlaw19]

Remember that less sound equals more ground! Loud pipes will close many riding areas. ?

Just curious.... what pipe do you have?

[kurtsyz426]

I replaced my original muffler with a Thunder Alley when I first bought my 426 and it is an awesome pipe.. loud and proud with heaps more power.. Loud is just fine where we go riding north of Perth (Australia that is).

THUNDER DOWN UNDER !!!! ?

[racer8]

The system is on a quad...

Curtis Sparks silencer.

[aford541]

I replaced my OEM head pipe on my yz 426 with one from Thunder alley.

WHAT a improvment!

Tons more of low end tourque.

can you just add the head pipe

They have been around for years. People on TT have ranted about them, and they are LOUD! Handmade pipes out of California.

I heard that full systems are 103 DB but power is great.